if_wpi.c revision 280085
1173362Sbenjsc/*- 2173362Sbenjsc * Copyright (c) 2006,2007 3173362Sbenjsc * Damien Bergamini <damien.bergamini@free.fr> 4173362Sbenjsc * Benjamin Close <Benjamin.Close@clearchain.com> 5173362Sbenjsc * 6173362Sbenjsc * Permission to use, copy, modify, and distribute this software for any 7173362Sbenjsc * purpose with or without fee is hereby granted, provided that the above 8173362Sbenjsc * copyright notice and this permission notice appear in all copies. 9173362Sbenjsc * 10173362Sbenjsc * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11173362Sbenjsc * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12173362Sbenjsc * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13173362Sbenjsc * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14173362Sbenjsc * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15173362Sbenjsc * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16173362Sbenjsc * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17173362Sbenjsc */ 18173362Sbenjsc 19173362Sbenjsc#include <sys/cdefs.h> 20173362Sbenjsc__FBSDID("$FreeBSD: head/sys/dev/wpi/if_wpi.c 280085 2015-03-15 20:52:47Z adrian $"); 21173362Sbenjsc 22173362Sbenjsc/* 23173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 24173362Sbenjsc * 25173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 26173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 27173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 28173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 29173362Sbenjsc * Once the firmware is loaded, the driver/hw then 30218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 31173362Sbenjsc * 32173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 33173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 34173362Sbenjsc * 35173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 36173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 37173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 38173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 39173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 40173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 41173362Sbenjsc * same time allocating new memory for the processed buffer. 42173362Sbenjsc * 43173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 44173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 45278764Sadrian * of a successful transmition (tx_done) has occurred. 46173362Sbenjsc * 47173362Sbenjsc * The command ring operates in the same manner as the tx queues. 48173362Sbenjsc * 49173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 50173362Sbenjsc * communication 51173362Sbenjsc * 52173362Sbenjsc * All communication via the firmware to the card is classed as State2. 53173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 54173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 55173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 56173362Sbenjsc * on the majority of communications between the driver and the card goes 57173362Sbenjsc * via the firmware. 58173362Sbenjsc */ 59173362Sbenjsc 60236381Sadrian#include "opt_wlan.h" 61278366Sadrian#include "opt_wpi.h" 62236381Sadrian 63173362Sbenjsc#include <sys/param.h> 64173362Sbenjsc#include <sys/sysctl.h> 65173362Sbenjsc#include <sys/sockio.h> 66173362Sbenjsc#include <sys/mbuf.h> 67173362Sbenjsc#include <sys/kernel.h> 68173362Sbenjsc#include <sys/socket.h> 69173362Sbenjsc#include <sys/systm.h> 70173362Sbenjsc#include <sys/malloc.h> 71173362Sbenjsc#include <sys/queue.h> 72173362Sbenjsc#include <sys/taskqueue.h> 73173362Sbenjsc#include <sys/module.h> 74173362Sbenjsc#include <sys/bus.h> 75173362Sbenjsc#include <sys/endian.h> 76173362Sbenjsc#include <sys/linker.h> 77173362Sbenjsc#include <sys/firmware.h> 78173362Sbenjsc 79173362Sbenjsc#include <machine/bus.h> 80173362Sbenjsc#include <machine/resource.h> 81173362Sbenjsc#include <sys/rman.h> 82173362Sbenjsc 83173362Sbenjsc#include <dev/pci/pcireg.h> 84173362Sbenjsc#include <dev/pci/pcivar.h> 85173362Sbenjsc 86173362Sbenjsc#include <net/bpf.h> 87173362Sbenjsc#include <net/if.h> 88257176Sglebius#include <net/if_var.h> 89173362Sbenjsc#include <net/if_arp.h> 90173362Sbenjsc#include <net/ethernet.h> 91173362Sbenjsc#include <net/if_dl.h> 92173362Sbenjsc#include <net/if_media.h> 93173362Sbenjsc#include <net/if_types.h> 94173362Sbenjsc 95278366Sadrian#include <netinet/in.h> 96278366Sadrian#include <netinet/in_systm.h> 97278366Sadrian#include <netinet/in_var.h> 98278366Sadrian#include <netinet/if_ether.h> 99278366Sadrian#include <netinet/ip.h> 100278366Sadrian 101173362Sbenjsc#include <net80211/ieee80211_var.h> 102173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 103173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 104206358Srpaulo#include <net80211/ieee80211_ratectl.h> 105173362Sbenjsc 106173362Sbenjsc#include <dev/wpi/if_wpireg.h> 107173362Sbenjsc#include <dev/wpi/if_wpivar.h> 108278366Sadrian#include <dev/wpi/if_wpi_debug.h> 109173362Sbenjsc 110173362Sbenjscstruct wpi_ident { 111173362Sbenjsc uint16_t vendor; 112173362Sbenjsc uint16_t device; 113173362Sbenjsc uint16_t subdevice; 114173362Sbenjsc const char *name; 115173362Sbenjsc}; 116173362Sbenjsc 117173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 118173362Sbenjsc /* The below entries support ABG regardless of the subid */ 119173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 120173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc /* The below entries only support BG */ 122182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 123182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 126173362Sbenjsc { 0, 0, 0, NULL } 127173362Sbenjsc}; 128173362Sbenjsc 129278366Sadrianstatic int wpi_probe(device_t); 130278366Sadrianstatic int wpi_attach(device_t); 131278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 132278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 133280083Sadrianstatic void wpi_init_beacon(struct wpi_vap *); 134178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 135228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 137228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 138178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 139278366Sadrianstatic int wpi_detach(device_t); 140278366Sadrianstatic int wpi_shutdown(device_t); 141278366Sadrianstatic int wpi_suspend(device_t); 142278366Sadrianstatic int wpi_resume(device_t); 143278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 144278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 145278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 146173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 147278366Sadrian void **, bus_size_t, bus_size_t); 148173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 149173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 150173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 151278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 152278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 153278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 156278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 157173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 158278366Sadrian int); 159278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 162278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 163278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 164278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 165278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 166278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 167278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 168278366Sadrian struct ieee80211_channel *); 169278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 170278366Sadrian struct ieee80211_regdomain *, int, 171278366Sadrian struct ieee80211_channel[]); 172278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 173280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 174278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 175278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 176278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 177178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 178278366Sadrianstatic void wpi_calib_timeout(void *); 179278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 180173362Sbenjsc struct wpi_rx_data *); 181278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 182278366Sadrian struct wpi_rx_data *); 183278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 184278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 185173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 187278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 188173362Sbenjscstatic void wpi_intr(void *); 189278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 190173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 191278366Sadrian struct ieee80211_node *); 192278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 193278366Sadrian struct ieee80211_node *, 194278366Sadrian const struct ieee80211_bpf_params *); 195278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 196278366Sadrian const struct ieee80211_bpf_params *); 197173362Sbenjscstatic void wpi_start(struct ifnet *); 198178354Ssamstatic void wpi_start_locked(struct ifnet *); 199280078Sadrianstatic void wpi_start_task(void *, int); 200278366Sadrianstatic void wpi_watchdog_rfkill(void *); 201278366Sadrianstatic void wpi_watchdog(void *); 202173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 203278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 204173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 205278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 206278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 207278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 208278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 209278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 210278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 211278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 212278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 213173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 214278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 215278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 216278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 217278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 218278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 219278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 220278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 221278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 222278366Sadrianstatic int wpi_config(struct wpi_softc *); 223278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 224278366Sadrian struct ieee80211_channel *, uint8_t); 225278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 226278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 227278366Sadrian struct ieee80211_channel *); 228278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 229278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 230280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 231280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 232278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 233280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 234178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 235278366Sadrianstatic int wpi_key_alloc(struct ieee80211vap *, struct ieee80211_key *, 236278366Sadrian ieee80211_keyix *, ieee80211_keyix *); 237278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 238278366Sadrian const struct ieee80211_key *, 239278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 240278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 241278366Sadrian const struct ieee80211_key *); 242278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 243278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 244278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 245278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 246278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 247278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 248278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 249278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 250278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 251278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 252278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 253278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 254278366Sadrianstatic void wpi_radio_on(void *, int); 255278366Sadrianstatic void wpi_radio_off(void *, int); 256278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 257173362Sbenjscstatic void wpi_init(void *); 258278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 259173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 260278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 261278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 262278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 263278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 264278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 265278366Sadrianstatic void wpi_hw_reset(void *, int); 266173362Sbenjsc 267173362Sbenjscstatic device_method_t wpi_methods[] = { 268173362Sbenjsc /* Device interface */ 269173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 270173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 271173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 272173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 273173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 274173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 275173362Sbenjsc 276260064Smarius DEVMETHOD_END 277173362Sbenjsc}; 278173362Sbenjsc 279173362Sbenjscstatic driver_t wpi_driver = { 280173362Sbenjsc "wpi", 281173362Sbenjsc wpi_methods, 282173362Sbenjsc sizeof (struct wpi_softc) 283173362Sbenjsc}; 284173362Sbenjscstatic devclass_t wpi_devclass; 285173362Sbenjsc 286260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 287173362Sbenjsc 288222543SbschmidtMODULE_VERSION(wpi, 1); 289222543Sbschmidt 290278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 291278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 292278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 293260064Smarius 294173362Sbenjscstatic int 295173362Sbenjscwpi_probe(device_t dev) 296173362Sbenjsc{ 297173362Sbenjsc const struct wpi_ident *ident; 298173362Sbenjsc 299173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 300173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 301173362Sbenjsc pci_get_device(dev) == ident->device) { 302173362Sbenjsc device_set_desc(dev, ident->name); 303260064Smarius return (BUS_PROBE_DEFAULT); 304173362Sbenjsc } 305173362Sbenjsc } 306173362Sbenjsc return ENXIO; 307173362Sbenjsc} 308173362Sbenjsc 309173362Sbenjscstatic int 310173362Sbenjscwpi_attach(device_t dev) 311173362Sbenjsc{ 312278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 313278366Sadrian struct ieee80211com *ic; 314173362Sbenjsc struct ifnet *ifp; 315280061Sadrian int i, error, rid; 316280061Sadrian#ifdef WPI_DEBUG 317280061Sadrian int supportsa = 1; 318173362Sbenjsc const struct wpi_ident *ident; 319280061Sadrian#endif 320190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 321173362Sbenjsc 322173362Sbenjsc sc->sc_dev = dev; 323173362Sbenjsc 324280059Sadrian#ifdef WPI_DEBUG 325278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 326278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 327278366Sadrian if (error != 0) 328278366Sadrian sc->sc_debug = 0; 329278366Sadrian#else 330278366Sadrian sc->sc_debug = 0; 331278366Sadrian#endif 332173362Sbenjsc 333278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 334278366Sadrian 335173362Sbenjsc /* 336278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 337278366Sadrian * Configuration Space. 338278366Sadrian */ 339278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 340278366Sadrian if (error != 0) { 341278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 342278366Sadrian return error; 343278366Sadrian } 344278366Sadrian 345278366Sadrian /* 346173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 347173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 348173362Sbenjsc * the entire subdevice range is to be ignored. 349173362Sbenjsc */ 350280061Sadrian#ifdef WPI_DEBUG 351173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 352173362Sbenjsc if (ident->subdevice && 353173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 354173362Sbenjsc supportsa = 0; 355173362Sbenjsc break; 356173362Sbenjsc } 357173362Sbenjsc } 358280061Sadrian#endif 359173362Sbenjsc 360278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 361173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 362173362Sbenjsc 363278366Sadrian /* Enable bus-mastering. */ 364173362Sbenjsc pci_enable_busmaster(dev); 365173362Sbenjsc 366260064Smarius rid = PCIR_BAR(0); 367260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 368173362Sbenjsc RF_ACTIVE); 369173362Sbenjsc if (sc->mem == NULL) { 370278366Sadrian device_printf(dev, "can't map mem space\n"); 371173362Sbenjsc error = ENOMEM; 372278366Sadrian return error; 373173362Sbenjsc } 374173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 375173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 376173362Sbenjsc 377278366Sadrian i = 1; 378260064Smarius rid = 0; 379278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 380278366Sadrian rid = 1; 381278366Sadrian /* Install interrupt handler. */ 382278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 383278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 384173362Sbenjsc if (sc->irq == NULL) { 385278366Sadrian device_printf(dev, "can't map interrupt\n"); 386173362Sbenjsc error = ENOMEM; 387173362Sbenjsc goto fail; 388173362Sbenjsc } 389173362Sbenjsc 390278366Sadrian WPI_LOCK_INIT(sc); 391280077Sadrian WPI_NT_LOCK_INIT(sc); 392280071Sadrian WPI_TXQ_LOCK_INIT(sc); 393278366Sadrian 394278366Sadrian /* Allocate DMA memory for firmware transfers. */ 395173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 396278366Sadrian device_printf(dev, 397278366Sadrian "could not allocate memory for firmware, error %d\n", 398278366Sadrian error); 399173362Sbenjsc goto fail; 400173362Sbenjsc } 401173362Sbenjsc 402278366Sadrian /* Allocate shared page. */ 403173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 404173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 405173362Sbenjsc goto fail; 406173362Sbenjsc } 407173362Sbenjsc 408278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 409278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 410278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 411278366Sadrian device_printf(dev, 412278366Sadrian "could not allocate TX ring %d, error %d\n", i, 413278366Sadrian error); 414278366Sadrian goto fail; 415173362Sbenjsc } 416173362Sbenjsc } 417173362Sbenjsc 418278366Sadrian /* Allocate RX ring. */ 419278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 420278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 421278366Sadrian error); 422173362Sbenjsc goto fail; 423173362Sbenjsc } 424173362Sbenjsc 425278366Sadrian /* Clear pending interrupts. */ 426278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 427173362Sbenjsc 428178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 429173362Sbenjsc if (ifp == NULL) { 430278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 431173362Sbenjsc goto fail; 432173362Sbenjsc } 433278366Sadrian 434178354Ssam ic = ifp->if_l2com; 435173362Sbenjsc ic->ic_ifp = ifp; 436178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 437178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 438173362Sbenjsc 439278366Sadrian /* Set device capabilities. */ 440173362Sbenjsc ic->ic_caps = 441178957Ssam IEEE80211_C_STA /* station mode supported */ 442278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 443178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 444278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 445278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 446173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 447173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 448278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 449173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 450173362Sbenjsc#if 0 451173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 452173362Sbenjsc#endif 453278366Sadrian | IEEE80211_C_WME /* 802.11e */ 454278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 455173362Sbenjsc ; 456173362Sbenjsc 457278366Sadrian ic->ic_cryptocaps = 458278366Sadrian IEEE80211_CRYPTO_AES_CCM; 459278366Sadrian 460173362Sbenjsc /* 461173362Sbenjsc * Read in the eeprom and also setup the channels for 462173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 463173362Sbenjsc */ 464278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 465278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 466278366Sadrian error); 467278366Sadrian goto fail; 468280059Sadrian } 469173362Sbenjsc 470280059Sadrian#ifdef WPI_DEBUG 471278366Sadrian if (bootverbose) { 472280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 473280059Sadrian sc->domain); 474280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 475280059Sadrian sc->type > 1 ? 'B': '?'); 476280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 477280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 478280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 479280059Sadrian supportsa ? "does" : "does not"); 480173362Sbenjsc 481280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 482280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 483173362Sbenjsc } 484278366Sadrian#endif 485173362Sbenjsc 486173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 487173362Sbenjsc ifp->if_softc = sc; 488173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 489173362Sbenjsc ifp->if_init = wpi_init; 490173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 491173362Sbenjsc ifp->if_start = wpi_start; 492207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 493207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 494173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 495178354Ssam 496190526Ssam ieee80211_ifattach(ic, macaddr); 497278366Sadrian ic->ic_vap_create = wpi_vap_create; 498278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 499178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 500278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 501278366Sadrian sc->sc_node_free = ic->ic_node_free; 502278366Sadrian ic->ic_node_free = wpi_node_free; 503278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 504278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 505278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 506280079Sadrian ic->ic_newassoc = wpi_newassoc; 507173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 508173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 509173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 510278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 511173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 512173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 513278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 514173362Sbenjsc 515278366Sadrian wpi_radiotap_attach(sc); 516173362Sbenjsc 517278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 518278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 519278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 520278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 521278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 522278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 523280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 524173362Sbenjsc 525278366Sadrian wpi_sysctlattach(sc); 526278366Sadrian 527173362Sbenjsc /* 528173362Sbenjsc * Hook our interrupt after all initialization is complete. 529173362Sbenjsc */ 530278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 531177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 532173362Sbenjsc if (error != 0) { 533278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 534278366Sadrian error); 535173362Sbenjsc goto fail; 536173362Sbenjsc } 537173362Sbenjsc 538177043Sthompsa if (bootverbose) 539177043Sthompsa ieee80211_announce(ic); 540278366Sadrian 541278366Sadrian#ifdef WPI_DEBUG 542278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 543278366Sadrian ieee80211_announce_channels(ic); 544173362Sbenjsc#endif 545278366Sadrian 546278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 547173362Sbenjsc return 0; 548173362Sbenjsc 549173362Sbenjscfail: wpi_detach(dev); 550278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 551278366Sadrian return error; 552173362Sbenjsc} 553173362Sbenjsc 554278366Sadrian/* 555278366Sadrian * Attach the interface to 802.11 radiotap. 556278366Sadrian */ 557278366Sadrianstatic void 558278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 559278366Sadrian{ 560278366Sadrian struct ifnet *ifp = sc->sc_ifp; 561278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 562278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 563278366Sadrian ieee80211_radiotap_attach(ic, 564278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 565278366Sadrian WPI_TX_RADIOTAP_PRESENT, 566278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 567278366Sadrian WPI_RX_RADIOTAP_PRESENT); 568278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 569278366Sadrian} 570278366Sadrian 571278366Sadrianstatic void 572278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 573278366Sadrian{ 574280059Sadrian#ifdef WPI_DEBUG 575278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 576278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 577278366Sadrian 578278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 579278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 580278366Sadrian "control debugging printfs"); 581278366Sadrian#endif 582278366Sadrian} 583278366Sadrian 584280083Sadrianstatic void 585280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 586280083Sadrian{ 587280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 588280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 589280083Sadrian 590280083Sadrian cmd->id = WPI_ID_BROADCAST; 591280083Sadrian cmd->ofdm_mask = 0xff; 592280083Sadrian cmd->cck_mask = 0x0f; 593280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 594280083Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 595280083Sadrian 596280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 597280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 598280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 599280083Sadrian} 600280083Sadrian 601278366Sadrianstatic struct ieee80211vap * 602278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 603278366Sadrian enum ieee80211_opmode opmode, int flags, 604278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 605278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 606278366Sadrian{ 607278366Sadrian struct wpi_vap *wvp; 608278366Sadrian struct ieee80211vap *vap; 609278366Sadrian 610278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 611278366Sadrian return NULL; 612278366Sadrian 613278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 614278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 615278366Sadrian if (wvp == NULL) 616278366Sadrian return NULL; 617280085Sadrian vap = &wvp->wv_vap; 618278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 619278366Sadrian 620280083Sadrian if (opmode == IEEE80211_M_IBSS) 621280083Sadrian wpi_init_beacon(wvp); 622280083Sadrian 623278366Sadrian /* Override with driver methods. */ 624278366Sadrian vap->iv_key_alloc = wpi_key_alloc; 625278366Sadrian vap->iv_key_set = wpi_key_set; 626278366Sadrian vap->iv_key_delete = wpi_key_delete; 627280085Sadrian wvp->wv_newstate = vap->iv_newstate; 628278366Sadrian vap->iv_newstate = wpi_newstate; 629278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 630278366Sadrian 631278366Sadrian ieee80211_ratectl_init(vap); 632278366Sadrian /* Complete setup. */ 633280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 634280066Sadrian ieee80211_media_status); 635278366Sadrian ic->ic_opmode = opmode; 636278366Sadrian return vap; 637278366Sadrian} 638278366Sadrian 639278366Sadrianstatic void 640278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 641278366Sadrian{ 642278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 643280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 644280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 645278366Sadrian 646278366Sadrian ieee80211_ratectl_deinit(vap); 647278366Sadrian ieee80211_vap_detach(vap); 648278366Sadrian 649280084Sadrian if (opmode == IEEE80211_M_IBSS) { 650280084Sadrian if (bcn->m != NULL) 651280084Sadrian m_freem(bcn->m); 652280084Sadrian } 653280084Sadrian 654278366Sadrian free(wvp, M_80211_VAP); 655278366Sadrian} 656278366Sadrian 657173362Sbenjscstatic int 658173362Sbenjscwpi_detach(device_t dev) 659173362Sbenjsc{ 660173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 661178354Ssam struct ifnet *ifp = sc->sc_ifp; 662200530Sgavin struct ieee80211com *ic; 663278366Sadrian int qid; 664173362Sbenjsc 665278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 666260064Smarius 667200530Sgavin if (ifp != NULL) { 668200530Sgavin ic = ifp->if_l2com; 669191746Sthompsa 670278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 671278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 672280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 673280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 674278366Sadrian 675173362Sbenjsc wpi_stop(sc); 676278366Sadrian 677173362Sbenjsc callout_drain(&sc->watchdog_to); 678278366Sadrian callout_drain(&sc->watchdog_rfkill); 679173362Sbenjsc callout_drain(&sc->calib_to); 680173362Sbenjsc ieee80211_ifdetach(ic); 681173362Sbenjsc } 682173362Sbenjsc 683278366Sadrian /* Uninstall interrupt handler. */ 684278366Sadrian if (sc->irq != NULL) { 685278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 686278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 687278366Sadrian sc->irq); 688278366Sadrian pci_release_msi(dev); 689278366Sadrian } 690278366Sadrian 691173362Sbenjsc if (sc->txq[0].data_dmat) { 692278366Sadrian /* Free DMA resources. */ 693278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 694278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 695173362Sbenjsc 696278366Sadrian wpi_free_rx_ring(sc); 697173362Sbenjsc wpi_free_shared(sc); 698173362Sbenjsc } 699173362Sbenjsc 700173362Sbenjsc if (sc->fw_dma.tag) 701173362Sbenjsc wpi_free_fwmem(sc); 702278366Sadrian 703173362Sbenjsc if (sc->mem != NULL) 704260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 705260064Smarius rman_get_rid(sc->mem), sc->mem); 706173362Sbenjsc 707173362Sbenjsc if (ifp != NULL) 708173362Sbenjsc if_free(ifp); 709173362Sbenjsc 710278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 711280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 712280077Sadrian WPI_NT_LOCK_DESTROY(sc); 713173362Sbenjsc WPI_LOCK_DESTROY(sc); 714278366Sadrian return 0; 715278366Sadrian} 716173362Sbenjsc 717278366Sadrianstatic int 718278366Sadrianwpi_shutdown(device_t dev) 719278366Sadrian{ 720278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 721278366Sadrian 722278366Sadrian wpi_stop(sc); 723173362Sbenjsc return 0; 724173362Sbenjsc} 725173362Sbenjsc 726278366Sadrianstatic int 727278366Sadrianwpi_suspend(device_t dev) 728178354Ssam{ 729278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 730278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 731178354Ssam 732278366Sadrian ieee80211_suspend_all(ic); 733278366Sadrian return 0; 734278366Sadrian} 735178354Ssam 736278366Sadrianstatic int 737278366Sadrianwpi_resume(device_t dev) 738278366Sadrian{ 739278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 740278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 741278366Sadrian 742278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 743278366Sadrian pci_write_config(dev, 0x41, 0, 1); 744278366Sadrian 745278366Sadrian ieee80211_resume_all(ic); 746278366Sadrian return 0; 747178354Ssam} 748178354Ssam 749278366Sadrian/* 750278366Sadrian * Grab exclusive access to NIC memory. 751278366Sadrian */ 752278366Sadrianstatic int 753278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 754178354Ssam{ 755278366Sadrian int ntries; 756178354Ssam 757278366Sadrian /* Request exclusive access to NIC. */ 758278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 759278366Sadrian 760278366Sadrian /* Spin until we actually get the lock. */ 761278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 762278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 763280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 764278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 765278366Sadrian return 0; 766278366Sadrian DELAY(10); 767278366Sadrian } 768278366Sadrian 769278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 770278366Sadrian 771278366Sadrian return ETIMEDOUT; 772178354Ssam} 773178354Ssam 774278366Sadrian/* 775278366Sadrian * Release lock on NIC memory. 776278366Sadrian */ 777278366Sadrianstatic __inline void 778278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 779278366Sadrian{ 780278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 781278366Sadrian} 782278366Sadrian 783278366Sadrianstatic __inline uint32_t 784278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 785278366Sadrian{ 786278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 787278366Sadrian WPI_BARRIER_READ_WRITE(sc); 788278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 789278366Sadrian} 790278366Sadrian 791278366Sadrianstatic __inline void 792278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 793278366Sadrian{ 794278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 795278366Sadrian WPI_BARRIER_WRITE(sc); 796278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 797278366Sadrian} 798278366Sadrian 799278366Sadrianstatic __inline void 800278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 801278366Sadrian{ 802278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 803278366Sadrian} 804278366Sadrian 805278366Sadrianstatic __inline void 806278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 807278366Sadrian{ 808278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 809278366Sadrian} 810278366Sadrian 811278366Sadrianstatic __inline void 812278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 813278366Sadrian const uint32_t *data, int count) 814278366Sadrian{ 815278366Sadrian for (; count > 0; count--, data++, addr += 4) 816278366Sadrian wpi_prph_write(sc, addr, *data); 817278366Sadrian} 818278366Sadrian 819278366Sadrianstatic __inline uint32_t 820278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 821278366Sadrian{ 822278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 823278366Sadrian WPI_BARRIER_READ_WRITE(sc); 824278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 825278366Sadrian} 826278366Sadrian 827278366Sadrianstatic __inline void 828278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 829278366Sadrian int count) 830278366Sadrian{ 831278366Sadrian for (; count > 0; count--, addr += 4) 832278366Sadrian *data++ = wpi_mem_read(sc, addr); 833278366Sadrian} 834278366Sadrian 835278366Sadrianstatic int 836278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 837278366Sadrian{ 838278366Sadrian uint8_t *out = data; 839278366Sadrian uint32_t val; 840278366Sadrian int error, ntries; 841278366Sadrian 842278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 843278366Sadrian 844278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 845278366Sadrian return error; 846278366Sadrian 847278366Sadrian for (; count > 0; count -= 2, addr++) { 848278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 849278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 850278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 851278366Sadrian if (val & WPI_EEPROM_READ_VALID) 852278366Sadrian break; 853278366Sadrian DELAY(5); 854278366Sadrian } 855278366Sadrian if (ntries == 10) { 856278366Sadrian device_printf(sc->sc_dev, 857278366Sadrian "timeout reading ROM at 0x%x\n", addr); 858278366Sadrian return ETIMEDOUT; 859278366Sadrian } 860278366Sadrian *out++= val >> 16; 861278366Sadrian if (count > 1) 862278366Sadrian *out ++= val >> 24; 863278366Sadrian } 864278366Sadrian 865278366Sadrian wpi_nic_unlock(sc); 866278366Sadrian 867278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 868278366Sadrian 869278366Sadrian return 0; 870278366Sadrian} 871278366Sadrian 872178354Ssamstatic void 873173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 874173362Sbenjsc{ 875173362Sbenjsc if (error != 0) 876173362Sbenjsc return; 877173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 878173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 879173362Sbenjsc} 880173362Sbenjsc 881177043Sthompsa/* 882177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 883278366Sadrian * alignment. 884177043Sthompsa */ 885173362Sbenjscstatic int 886173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 887278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 888173362Sbenjsc{ 889173362Sbenjsc int error; 890173362Sbenjsc 891278366Sadrian dma->tag = NULL; 892173362Sbenjsc dma->size = size; 893173362Sbenjsc 894278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 895278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 896278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 897278366Sadrian if (error != 0) 898173362Sbenjsc goto fail; 899278366Sadrian 900278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 901278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 902278366Sadrian if (error != 0) 903173362Sbenjsc goto fail; 904173362Sbenjsc 905278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 906278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 907278366Sadrian if (error != 0) 908278366Sadrian goto fail; 909177043Sthompsa 910278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 911177043Sthompsa 912173362Sbenjsc if (kvap != NULL) 913173362Sbenjsc *kvap = dma->vaddr; 914173362Sbenjsc 915173362Sbenjsc return 0; 916173362Sbenjsc 917278366Sadrianfail: wpi_dma_contig_free(dma); 918173362Sbenjsc return error; 919173362Sbenjsc} 920173362Sbenjsc 921173362Sbenjscstatic void 922173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 923173362Sbenjsc{ 924278366Sadrian if (dma->vaddr != NULL) { 925278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 926278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 927278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 928278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 929278366Sadrian dma->vaddr = NULL; 930278366Sadrian } 931278366Sadrian if (dma->tag != NULL) { 932173362Sbenjsc bus_dma_tag_destroy(dma->tag); 933278366Sadrian dma->tag = NULL; 934173362Sbenjsc } 935173362Sbenjsc} 936173362Sbenjsc 937173362Sbenjsc/* 938173362Sbenjsc * Allocate a shared page between host and NIC. 939173362Sbenjsc */ 940173362Sbenjscstatic int 941173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 942173362Sbenjsc{ 943278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 944278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 945278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 946173362Sbenjsc} 947173362Sbenjsc 948173362Sbenjscstatic void 949173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 950173362Sbenjsc{ 951173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 952173362Sbenjsc} 953173362Sbenjsc 954278366Sadrian/* 955278366Sadrian * Allocate DMA-safe memory for firmware transfer. 956278366Sadrian */ 957173362Sbenjscstatic int 958278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 959173362Sbenjsc{ 960278366Sadrian /* Must be aligned on a 16-byte boundary. */ 961278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 962278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 963278366Sadrian} 964173362Sbenjsc 965278366Sadrianstatic void 966278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 967278366Sadrian{ 968278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 969278366Sadrian} 970278366Sadrian 971278366Sadrianstatic int 972278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 973278366Sadrian{ 974278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 975278366Sadrian bus_size_t size; 976173362Sbenjsc int i, error; 977173362Sbenjsc 978173362Sbenjsc ring->cur = 0; 979278366Sadrian ring->update = 0; 980173362Sbenjsc 981278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 982278366Sadrian 983278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 984278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 985173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 986278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 987173362Sbenjsc if (error != 0) { 988177043Sthompsa device_printf(sc->sc_dev, 989278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 990177043Sthompsa __func__, error); 991177043Sthompsa goto fail; 992173362Sbenjsc } 993173362Sbenjsc 994278366Sadrian /* Create RX buffer DMA tag. */ 995280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 996278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 997278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 998278366Sadrian &ring->data_dmat); 999280059Sadrian if (error != 0) { 1000280059Sadrian device_printf(sc->sc_dev, 1001278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1002177043Sthompsa __func__, error); 1003280059Sadrian goto fail; 1004280059Sadrian } 1005177043Sthompsa 1006173362Sbenjsc /* 1007278366Sadrian * Allocate and map RX buffers. 1008173362Sbenjsc */ 1009173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1010177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1011177043Sthompsa bus_addr_t paddr; 1012173362Sbenjsc 1013177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1014177043Sthompsa if (error != 0) { 1015173362Sbenjsc device_printf(sc->sc_dev, 1016278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1017177043Sthompsa __func__, error); 1018173362Sbenjsc goto fail; 1019173362Sbenjsc } 1020278366Sadrian 1021278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1022278366Sadrian if (data->m == NULL) { 1023173362Sbenjsc device_printf(sc->sc_dev, 1024278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1025278366Sadrian error = ENOBUFS; 1026173362Sbenjsc goto fail; 1027173362Sbenjsc } 1028278366Sadrian 1029177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1030278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1031278366Sadrian &paddr, BUS_DMA_NOWAIT); 1032177043Sthompsa if (error != 0 && error != EFBIG) { 1033177043Sthompsa device_printf(sc->sc_dev, 1034278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1035278366Sadrian error); 1036173362Sbenjsc goto fail; 1037173362Sbenjsc } 1038177043Sthompsa 1039278366Sadrian /* Set physical address of RX buffer. */ 1040177043Sthompsa ring->desc[i] = htole32(paddr); 1041173362Sbenjsc } 1042278366Sadrian 1043173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1044173362Sbenjsc BUS_DMASYNC_PREWRITE); 1045278366Sadrian 1046278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1047278366Sadrian 1048173362Sbenjsc return 0; 1049278366Sadrian 1050278366Sadrianfail: wpi_free_rx_ring(sc); 1051278366Sadrian 1052278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1053278366Sadrian 1054173362Sbenjsc return error; 1055173362Sbenjsc} 1056173362Sbenjsc 1057173362Sbenjscstatic void 1058278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1059173362Sbenjsc{ 1060278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1061173362Sbenjsc 1062280056Sadrian if (ring->update != 0) { 1063280056Sadrian /* Wait for INT_WAKEUP event. */ 1064280056Sadrian return; 1065280056Sadrian } 1066280056Sadrian 1067278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1068278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1069278366Sadrian __func__); 1070173362Sbenjsc 1071278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1072278366Sadrian ring->update = 1; 1073278366Sadrian } else 1074278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1075278366Sadrian} 1076173362Sbenjsc 1077278366Sadrianstatic void 1078278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1079278366Sadrian{ 1080278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1081278366Sadrian int ntries; 1082173362Sbenjsc 1083278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1084173362Sbenjsc 1085278366Sadrian if (wpi_nic_lock(sc) == 0) { 1086278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1087278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1088278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1089278366Sadrian WPI_FH_RX_STATUS_IDLE) 1090278366Sadrian break; 1091278366Sadrian DELAY(10); 1092278366Sadrian } 1093173362Sbenjsc#ifdef WPI_DEBUG 1094278366Sadrian if (ntries == 1000) { 1095278366Sadrian device_printf(sc->sc_dev, 1096278366Sadrian "timeout resetting Rx ring\n"); 1097278366Sadrian } 1098173362Sbenjsc#endif 1099278366Sadrian wpi_nic_unlock(sc); 1100278366Sadrian } 1101173362Sbenjsc 1102173362Sbenjsc ring->cur = 0; 1103278366Sadrian ring->update = 0; 1104173362Sbenjsc} 1105173362Sbenjsc 1106173362Sbenjscstatic void 1107278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1108173362Sbenjsc{ 1109278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1110173362Sbenjsc int i; 1111173362Sbenjsc 1112278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1113278366Sadrian 1114173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1115173362Sbenjsc 1116216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1117216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1118216824Sbschmidt 1119216824Sbschmidt if (data->m != NULL) { 1120216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1121216824Sbschmidt BUS_DMASYNC_POSTREAD); 1122216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1123216824Sbschmidt m_freem(data->m); 1124278366Sadrian data->m = NULL; 1125216824Sbschmidt } 1126216824Sbschmidt if (data->map != NULL) 1127216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1128216824Sbschmidt } 1129278366Sadrian if (ring->data_dmat != NULL) { 1130278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1131278366Sadrian ring->data_dmat = NULL; 1132278366Sadrian } 1133173362Sbenjsc} 1134173362Sbenjsc 1135173362Sbenjscstatic int 1136278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1137173362Sbenjsc{ 1138278366Sadrian bus_addr_t paddr; 1139278366Sadrian bus_size_t size; 1140173362Sbenjsc int i, error; 1141173362Sbenjsc 1142173362Sbenjsc ring->qid = qid; 1143173362Sbenjsc ring->queued = 0; 1144173362Sbenjsc ring->cur = 0; 1145278366Sadrian ring->update = 0; 1146173362Sbenjsc 1147278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1148173362Sbenjsc 1149278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1150278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1151278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1152278366Sadrian size, WPI_RING_DMA_ALIGN); 1153173362Sbenjsc if (error != 0) { 1154278366Sadrian device_printf(sc->sc_dev, 1155278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1156278366Sadrian __func__, error); 1157278366Sadrian goto fail; 1158173362Sbenjsc } 1159173362Sbenjsc 1160278366Sadrian /* Update shared area with ring physical address. */ 1161173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1162278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1163278366Sadrian BUS_DMASYNC_PREWRITE); 1164173362Sbenjsc 1165278366Sadrian /* 1166278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1167278366Sadrian * to allocate commands space for other rings. 1168278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1169278366Sadrian */ 1170280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1171278366Sadrian return 0; 1172278366Sadrian 1173278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1174173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1175278366Sadrian size, 4); 1176173362Sbenjsc if (error != 0) { 1177173362Sbenjsc device_printf(sc->sc_dev, 1178278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1179278366Sadrian __func__, error); 1180173362Sbenjsc goto fail; 1181173362Sbenjsc } 1182173362Sbenjsc 1183173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1184173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1185173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1186173362Sbenjsc &ring->data_dmat); 1187173362Sbenjsc if (error != 0) { 1188278366Sadrian device_printf(sc->sc_dev, 1189278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1190278366Sadrian __func__, error); 1191173362Sbenjsc goto fail; 1192173362Sbenjsc } 1193173362Sbenjsc 1194278366Sadrian paddr = ring->cmd_dma.paddr; 1195278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1196278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1197173362Sbenjsc 1198278366Sadrian data->cmd_paddr = paddr; 1199278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1200278366Sadrian 1201173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1202173362Sbenjsc if (error != 0) { 1203173362Sbenjsc device_printf(sc->sc_dev, 1204278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1205278366Sadrian __func__, error); 1206173362Sbenjsc goto fail; 1207173362Sbenjsc } 1208173362Sbenjsc } 1209173362Sbenjsc 1210278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1211278366Sadrian 1212173362Sbenjsc return 0; 1213173362Sbenjsc 1214278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1215278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1216173362Sbenjsc return error; 1217173362Sbenjsc} 1218173362Sbenjsc 1219173362Sbenjscstatic void 1220278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1221278366Sadrian{ 1222280056Sadrian if (ring->update != 0) { 1223280056Sadrian /* Wait for INT_WAKEUP event. */ 1224280056Sadrian return; 1225280056Sadrian } 1226280056Sadrian 1227278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1228278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1229278366Sadrian __func__, ring->qid); 1230278366Sadrian 1231278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1232278366Sadrian ring->update = 1; 1233278366Sadrian } else 1234278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1235278366Sadrian} 1236278366Sadrian 1237278366Sadrianstatic void 1238173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1239173362Sbenjsc{ 1240278366Sadrian int i; 1241173362Sbenjsc 1242278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1243173362Sbenjsc 1244278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1245278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1246173362Sbenjsc 1247173362Sbenjsc if (data->m != NULL) { 1248278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1249278366Sadrian BUS_DMASYNC_POSTWRITE); 1250173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1251173362Sbenjsc m_freem(data->m); 1252173362Sbenjsc data->m = NULL; 1253173362Sbenjsc } 1254173362Sbenjsc } 1255278366Sadrian /* Clear TX descriptors. */ 1256278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1257278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1258278366Sadrian BUS_DMASYNC_PREWRITE); 1259278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1260173362Sbenjsc ring->queued = 0; 1261173362Sbenjsc ring->cur = 0; 1262278366Sadrian ring->update = 0; 1263173362Sbenjsc} 1264173362Sbenjsc 1265173362Sbenjscstatic void 1266173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1267173362Sbenjsc{ 1268173362Sbenjsc int i; 1269173362Sbenjsc 1270278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1271278366Sadrian 1272173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1273173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1274173362Sbenjsc 1275278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1276278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1277173362Sbenjsc 1278278366Sadrian if (data->m != NULL) { 1279278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1280278366Sadrian BUS_DMASYNC_POSTWRITE); 1281278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1282278366Sadrian m_freem(data->m); 1283173362Sbenjsc } 1284278366Sadrian if (data->map != NULL) 1285278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1286173362Sbenjsc } 1287278366Sadrian if (ring->data_dmat != NULL) { 1288173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1289278366Sadrian ring->data_dmat = NULL; 1290278366Sadrian } 1291173362Sbenjsc} 1292173362Sbenjsc 1293278366Sadrian/* 1294278366Sadrian * Extract various information from EEPROM. 1295278366Sadrian */ 1296173362Sbenjscstatic int 1297278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1298173362Sbenjsc{ 1299278366Sadrian#define WPI_CHK(res) do { \ 1300278366Sadrian if ((error = res) != 0) \ 1301278366Sadrian goto fail; \ 1302278366Sadrian} while (0) 1303278366Sadrian int error, i; 1304173362Sbenjsc 1305278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1306173362Sbenjsc 1307278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1308278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1309278366Sadrian device_printf(sc->sc_dev, 1310278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1311278366Sadrian error); 1312278366Sadrian return error; 1313278366Sadrian } 1314278366Sadrian 1315278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1316278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1317278366Sadrian error = EIO; 1318278366Sadrian goto fail; 1319278366Sadrian } 1320278366Sadrian /* Clear HW ownership of EEPROM. */ 1321278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1322278366Sadrian 1323278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1324278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1325278366Sadrian sizeof(sc->cap))); 1326278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1327278366Sadrian sizeof(sc->rev))); 1328278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1329278366Sadrian sizeof(sc->type))); 1330278366Sadrian 1331280076Sadrian sc->rev = le16toh(sc->rev); 1332280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1333280076Sadrian sc->rev, sc->type); 1334278366Sadrian 1335278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1336278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1337278366Sadrian sizeof(sc->domain))); 1338278366Sadrian 1339278366Sadrian /* Read MAC address. */ 1340278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1341278366Sadrian IEEE80211_ADDR_LEN)); 1342278366Sadrian 1343278366Sadrian /* Read the list of authorized channels. */ 1344278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1345278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1346278366Sadrian 1347278366Sadrian /* Read the list of TX power groups. */ 1348278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1349278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1350278366Sadrian 1351278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1352278366Sadrian 1353278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1354278366Sadrian __func__); 1355278366Sadrian 1356278366Sadrian return error; 1357278366Sadrian#undef WPI_CHK 1358278366Sadrian} 1359278366Sadrian 1360278366Sadrian/* 1361278366Sadrian * Translate EEPROM flags to net80211. 1362278366Sadrian */ 1363278366Sadrianstatic uint32_t 1364278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1365278366Sadrian{ 1366278366Sadrian uint32_t nflags; 1367278366Sadrian 1368278366Sadrian nflags = 0; 1369278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1370278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1371278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1372278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1373278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1374278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1375278366Sadrian /* XXX apparently IBSS may still be marked */ 1376278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1377278366Sadrian } 1378278366Sadrian 1379278366Sadrian return nflags; 1380278366Sadrian} 1381278366Sadrian 1382278366Sadrianstatic void 1383278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1384278366Sadrian{ 1385278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1386278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1387278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1388278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1389278366Sadrian struct ieee80211_channel *c; 1390278366Sadrian uint8_t chan; 1391278366Sadrian int i, nflags; 1392278366Sadrian 1393278366Sadrian for (i = 0; i < band->nchan; i++) { 1394278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1395280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1396278366Sadrian "Channel Not Valid: %d, band %d\n", 1397278366Sadrian band->chan[i],n); 1398278366Sadrian continue; 1399278366Sadrian } 1400278366Sadrian 1401278366Sadrian chan = band->chan[i]; 1402278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1403278366Sadrian 1404278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1405278366Sadrian c->ic_ieee = chan; 1406278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1407278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1408278366Sadrian 1409278366Sadrian if (n == 0) { /* 2GHz band */ 1410280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1411280066Sadrian IEEE80211_CHAN_G); 1412280066Sadrian 1413278366Sadrian /* G =>'s B is supported */ 1414278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1415278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1416278366Sadrian c[0] = c[-1]; 1417278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1418278366Sadrian } else { /* 5GHz band */ 1419280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1420280066Sadrian IEEE80211_CHAN_A); 1421280066Sadrian 1422278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1423278366Sadrian } 1424278366Sadrian 1425278366Sadrian /* Save maximum allowed TX power for this channel. */ 1426278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1427278366Sadrian 1428278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1429278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1430278366Sadrian " offset %d\n", chan, c->ic_freq, 1431278366Sadrian channels[i].flags, sc->maxpwr[chan], 1432278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1433278366Sadrian } 1434278366Sadrian} 1435278366Sadrian 1436278366Sadrian/** 1437278366Sadrian * Read the eeprom to find out what channels are valid for the given 1438278366Sadrian * band and update net80211 with what we find. 1439278366Sadrian */ 1440278366Sadrianstatic int 1441278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1442278366Sadrian{ 1443278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1444278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1445278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1446278366Sadrian int error; 1447278366Sadrian 1448278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1449278366Sadrian 1450278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1451278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1452278366Sadrian if (error != 0) { 1453278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1454278366Sadrian return error; 1455278366Sadrian } 1456278366Sadrian 1457278366Sadrian wpi_read_eeprom_band(sc, n); 1458278366Sadrian 1459278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1460278366Sadrian 1461278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1462278366Sadrian 1463173362Sbenjsc return 0; 1464173362Sbenjsc} 1465173362Sbenjsc 1466278366Sadrianstatic struct wpi_eeprom_chan * 1467278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1468278366Sadrian{ 1469278366Sadrian int i, j; 1470278366Sadrian 1471278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1472278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1473278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1474278366Sadrian return &sc->eeprom_channels[j][i]; 1475278366Sadrian 1476278366Sadrian return NULL; 1477278366Sadrian} 1478278366Sadrian 1479278366Sadrian/* 1480278366Sadrian * Enforce flags read from EEPROM. 1481278366Sadrian */ 1482173362Sbenjscstatic int 1483278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1484278366Sadrian int nchan, struct ieee80211_channel chans[]) 1485173362Sbenjsc{ 1486278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1487278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1488278366Sadrian int i; 1489173362Sbenjsc 1490278366Sadrian for (i = 0; i < nchan; i++) { 1491278366Sadrian struct ieee80211_channel *c = &chans[i]; 1492278366Sadrian struct wpi_eeprom_chan *channel; 1493278366Sadrian 1494278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1495278366Sadrian if (channel == NULL) { 1496278366Sadrian if_printf(ic->ic_ifp, 1497278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1498278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1499278366Sadrian return EINVAL; 1500278366Sadrian } 1501278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1502278366Sadrian } 1503278366Sadrian 1504173362Sbenjsc return 0; 1505173362Sbenjsc} 1506173362Sbenjsc 1507173362Sbenjscstatic int 1508278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1509173362Sbenjsc{ 1510278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1511278366Sadrian struct wpi_eeprom_group rgroup; 1512278366Sadrian int i, error; 1513173362Sbenjsc 1514278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1515173362Sbenjsc 1516278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1517278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1518278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1519278366Sadrian return error; 1520278366Sadrian } 1521278366Sadrian 1522278366Sadrian /* Save TX power group information. */ 1523278366Sadrian group->chan = rgroup.chan; 1524278366Sadrian group->maxpwr = rgroup.maxpwr; 1525278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1526278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1527278366Sadrian 1528278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1529278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1530278366Sadrian group->maxpwr, group->temp); 1531278366Sadrian 1532278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1533278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1534278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1535278366Sadrian 1536278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1537278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1538278366Sadrian group->samples[i].index, group->samples[i].power); 1539278366Sadrian } 1540278366Sadrian 1541278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1542278366Sadrian 1543173362Sbenjsc return 0; 1544173362Sbenjsc} 1545173362Sbenjsc 1546280069Sadrianstatic int 1547280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1548280069Sadrian{ 1549280069Sadrian int newid = WPI_ID_IBSS_MIN; 1550280069Sadrian 1551280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1552280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1553280069Sadrian sc->nodesmsk |= 1 << newid; 1554280069Sadrian return newid; 1555280069Sadrian } 1556280069Sadrian } 1557280069Sadrian 1558280069Sadrian return WPI_ID_UNDEFINED; 1559280069Sadrian} 1560280069Sadrian 1561280069Sadrianstatic __inline int 1562280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1563280070Sadrian{ 1564280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1565280070Sadrian 1566280070Sadrian return WPI_ID_BSS; 1567280070Sadrian} 1568280070Sadrian 1569280070Sadrianstatic __inline int 1570280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1571280069Sadrian{ 1572280069Sadrian if (id == WPI_ID_UNDEFINED) 1573280069Sadrian return 0; 1574280069Sadrian 1575280069Sadrian return (sc->nodesmsk >> id) & 1; 1576280069Sadrian} 1577280069Sadrian 1578280069Sadrianstatic __inline void 1579280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1580280069Sadrian{ 1581280069Sadrian sc->nodesmsk = 0; 1582280069Sadrian} 1583280069Sadrian 1584280069Sadrianstatic __inline void 1585280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1586280069Sadrian{ 1587280069Sadrian sc->nodesmsk &= ~(1 << id); 1588280069Sadrian} 1589280069Sadrian 1590278366Sadrianstatic struct ieee80211_node * 1591278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1592278366Sadrian{ 1593278366Sadrian struct wpi_node *wn; 1594278366Sadrian 1595278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1596278366Sadrian M_NOWAIT | M_ZERO); 1597278366Sadrian 1598278366Sadrian if (wn == NULL) 1599278366Sadrian return NULL; 1600278366Sadrian 1601278366Sadrian wn->id = WPI_ID_UNDEFINED; 1602278366Sadrian 1603278366Sadrian return &wn->ni; 1604278366Sadrian} 1605278366Sadrian 1606278366Sadrianstatic void 1607278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1608278366Sadrian{ 1609278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1610278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1611280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1612278366Sadrian 1613280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1614280077Sadrian WPI_NT_LOCK(sc); 1615280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1616280069Sadrian wpi_del_node_entry(sc, wn->id); 1617278366Sadrian wpi_del_node(sc, ni); 1618280069Sadrian } 1619280077Sadrian WPI_NT_UNLOCK(sc); 1620278366Sadrian } 1621278366Sadrian 1622278366Sadrian sc->sc_node_free(ni); 1623278366Sadrian} 1624278366Sadrian 1625173362Sbenjsc/** 1626173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1627173362Sbenjsc */ 1628173362Sbenjscstatic int 1629178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1630173362Sbenjsc{ 1631178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1632178354Ssam struct ieee80211com *ic = vap->iv_ic; 1633173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1634173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1635278366Sadrian int error = 0; 1636173362Sbenjsc 1637278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1638278366Sadrian 1639278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1640178354Ssam ieee80211_state_name[vap->iv_state], 1641278366Sadrian ieee80211_state_name[nstate]); 1642173362Sbenjsc 1643191746Sthompsa IEEE80211_UNLOCK(ic); 1644191746Sthompsa WPI_LOCK(sc); 1645278366Sadrian switch (nstate) { 1646278366Sadrian case IEEE80211_S_SCAN: 1647278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1648278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1649278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1650278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1651278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1652278366Sadrian device_printf(sc->sc_dev, 1653278366Sadrian "%s: could not send RXON\n", __func__); 1654278366Sadrian } 1655216238Sbschmidt } 1656278366Sadrian break; 1657278366Sadrian 1658278366Sadrian case IEEE80211_S_ASSOC: 1659278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1660278366Sadrian break; 1661278366Sadrian /* FALLTHROUGH */ 1662278366Sadrian case IEEE80211_S_AUTH: 1663216238Sbschmidt /* 1664216238Sbschmidt * The node must be registered in the firmware before auth. 1665216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1666216238Sbschmidt * transitions. 1667216238Sbschmidt */ 1668278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1669191746Sthompsa device_printf(sc->sc_dev, 1670278366Sadrian "%s: could not move to AUTH state, error %d\n", 1671191746Sthompsa __func__, error); 1672191746Sthompsa } 1673278366Sadrian break; 1674278366Sadrian 1675278366Sadrian case IEEE80211_S_RUN: 1676278366Sadrian /* 1677278366Sadrian * RUN -> RUN transition; Just restart the timers. 1678278366Sadrian */ 1679278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1680278366Sadrian wpi_calib_timeout(sc); 1681278366Sadrian break; 1682278366Sadrian } 1683278366Sadrian 1684278366Sadrian /* 1685278366Sadrian * !RUN -> RUN requires setting the association id 1686278366Sadrian * which is done with a firmware cmd. We also defer 1687278366Sadrian * starting the timers until that work is done. 1688278366Sadrian */ 1689278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1690191746Sthompsa device_printf(sc->sc_dev, 1691278366Sadrian "%s: could not move to RUN state\n", __func__); 1692191746Sthompsa } 1693278366Sadrian break; 1694278366Sadrian 1695278366Sadrian default: 1696278366Sadrian break; 1697178354Ssam } 1698191746Sthompsa WPI_UNLOCK(sc); 1699191746Sthompsa IEEE80211_LOCK(ic); 1700278366Sadrian if (error != 0) { 1701278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1702278366Sadrian return error; 1703278366Sadrian } 1704173362Sbenjsc 1705278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1706173362Sbenjsc 1707280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1708173362Sbenjsc} 1709173362Sbenjsc 1710173362Sbenjscstatic void 1711278366Sadrianwpi_calib_timeout(void *arg) 1712173362Sbenjsc{ 1713278366Sadrian struct wpi_softc *sc = arg; 1714278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1715278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1716278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1717173362Sbenjsc 1718278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1719278366Sadrian return; 1720173362Sbenjsc 1721278366Sadrian wpi_power_calibration(sc); 1722173362Sbenjsc 1723278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1724173362Sbenjsc} 1725173362Sbenjsc 1726278366Sadrianstatic __inline uint8_t 1727278366Sadrianrate2plcp(const uint8_t rate) 1728173362Sbenjsc{ 1729278366Sadrian switch (rate) { 1730278366Sadrian case 12: return 0xd; 1731278366Sadrian case 18: return 0xf; 1732278366Sadrian case 24: return 0x5; 1733278366Sadrian case 36: return 0x7; 1734278366Sadrian case 48: return 0x9; 1735278366Sadrian case 72: return 0xb; 1736278366Sadrian case 96: return 0x1; 1737278366Sadrian case 108: return 0x3; 1738278366Sadrian case 2: return 10; 1739278366Sadrian case 4: return 20; 1740278366Sadrian case 11: return 55; 1741278366Sadrian case 22: return 110; 1742278366Sadrian default: return 0; 1743173362Sbenjsc } 1744173362Sbenjsc} 1745173362Sbenjsc 1746278366Sadrianstatic __inline uint8_t 1747278366Sadrianplcp2rate(const uint8_t plcp) 1748173362Sbenjsc{ 1749278366Sadrian switch (plcp) { 1750278366Sadrian case 0xd: return 12; 1751278366Sadrian case 0xf: return 18; 1752278366Sadrian case 0x5: return 24; 1753278366Sadrian case 0x7: return 36; 1754278366Sadrian case 0x9: return 48; 1755278366Sadrian case 0xb: return 72; 1756278366Sadrian case 0x1: return 96; 1757278366Sadrian case 0x3: return 108; 1758278366Sadrian case 10: return 2; 1759278366Sadrian case 20: return 4; 1760278366Sadrian case 55: return 11; 1761278366Sadrian case 110: return 22; 1762278366Sadrian default: return 0; 1763173362Sbenjsc } 1764278366Sadrian} 1765173362Sbenjsc 1766278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1767278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1768173362Sbenjsc 1769173362Sbenjscstatic void 1770278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1771278366Sadrian struct wpi_rx_data *data) 1772173362Sbenjsc{ 1773178354Ssam struct ifnet *ifp = sc->sc_ifp; 1774278366Sadrian const struct ieee80211_cipher *cip = NULL; 1775178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1776173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1777173362Sbenjsc struct wpi_rx_stat *stat; 1778173362Sbenjsc struct wpi_rx_head *head; 1779173362Sbenjsc struct wpi_rx_tail *tail; 1780278366Sadrian struct ieee80211_frame *wh; 1781173362Sbenjsc struct ieee80211_node *ni; 1782278366Sadrian struct mbuf *m, *m1; 1783177043Sthompsa bus_addr_t paddr; 1784278366Sadrian uint32_t flags; 1785278366Sadrian uint16_t len; 1786177043Sthompsa int error; 1787173362Sbenjsc 1788173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1789173362Sbenjsc 1790173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1791278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1792278764Sadrian goto fail1; 1793173362Sbenjsc } 1794173362Sbenjsc 1795216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1796173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1797278366Sadrian len = le16toh(head->len); 1798278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1799278366Sadrian flags = le32toh(tail->flags); 1800173362Sbenjsc 1801278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1802278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1803278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1804278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1805173362Sbenjsc 1806278366Sadrian /* Discard frames with a bad FCS early. */ 1807278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1808278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1809278366Sadrian __func__, flags); 1810278764Sadrian goto fail1; 1811190458Sjmallett } 1812278366Sadrian /* Discard frames that are too short. */ 1813278366Sadrian if (len < sizeof (*wh)) { 1814278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1815278366Sadrian __func__, len); 1816278764Sadrian goto fail1; 1817190458Sjmallett } 1818190458Sjmallett 1819278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1820278366Sadrian if (m1 == NULL) { 1821278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1822278366Sadrian __func__); 1823278764Sadrian goto fail1; 1824177043Sthompsa } 1825216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1826216824Sbschmidt 1827278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1828278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1829177043Sthompsa if (error != 0 && error != EFBIG) { 1830177043Sthompsa device_printf(sc->sc_dev, 1831177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1832278366Sadrian m_freem(m1); 1833278366Sadrian 1834278366Sadrian /* Try to reload the old mbuf. */ 1835278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1836278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1837278366Sadrian &paddr, BUS_DMA_NOWAIT); 1838278366Sadrian if (error != 0 && error != EFBIG) { 1839278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1840278366Sadrian } 1841278366Sadrian /* Physical address may have changed. */ 1842278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1843278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1844278366Sadrian BUS_DMASYNC_PREWRITE); 1845278764Sadrian goto fail1; 1846177043Sthompsa } 1847177043Sthompsa 1848173362Sbenjsc m = data->m; 1849278366Sadrian data->m = m1; 1850278366Sadrian /* Update RX descriptor. */ 1851278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1852278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1853278366Sadrian BUS_DMASYNC_PREWRITE); 1854278366Sadrian 1855278366Sadrian /* Finalize mbuf. */ 1856173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1857173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1858278366Sadrian m->m_pkthdr.len = m->m_len = len; 1859173362Sbenjsc 1860278366Sadrian /* Grab a reference to the source node. */ 1861278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1862278366Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1863173362Sbenjsc 1864278366Sadrian if (ni != NULL) 1865278366Sadrian cip = ni->ni_ucastkey.wk_cipher; 1866278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1867278366Sadrian !IEEE80211_IS_MULTICAST(wh->i_addr1) && 1868278366Sadrian cip != NULL && cip->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 1869278764Sadrian if ((flags & WPI_RX_CIPHER_MASK) != WPI_RX_CIPHER_CCMP) 1870278764Sadrian goto fail2; 1871278764Sadrian 1872278366Sadrian /* Check whether decryption was successful or not. */ 1873278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1874278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1875278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1876278764Sadrian goto fail2; 1877278366Sadrian } 1878278366Sadrian m->m_flags |= M_WEP; 1879278366Sadrian } 1880278366Sadrian 1881192468Ssam if (ieee80211_radiotap_active(ic)) { 1882173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1883173362Sbenjsc 1884173362Sbenjsc tap->wr_flags = 0; 1885278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1886278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1887280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1888280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1889173362Sbenjsc tap->wr_tsft = tail->tstamp; 1890173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1891278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1892173362Sbenjsc } 1893173362Sbenjsc 1894173362Sbenjsc WPI_UNLOCK(sc); 1895173362Sbenjsc 1896278366Sadrian /* Send the frame to the 802.11 layer. */ 1897178354Ssam if (ni != NULL) { 1898280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1899278366Sadrian /* Node is no longer needed. */ 1900178354Ssam ieee80211_free_node(ni); 1901178354Ssam } else 1902280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1903173362Sbenjsc 1904173362Sbenjsc WPI_LOCK(sc); 1905278764Sadrian 1906278764Sadrian return; 1907278764Sadrian 1908278764Sadrianfail2: ieee80211_free_node(ni); 1909278764Sadrian m_freem(m); 1910278764Sadrian 1911278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1912173362Sbenjsc} 1913173362Sbenjsc 1914173362Sbenjscstatic void 1915278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1916278366Sadrian struct wpi_rx_data *data) 1917173362Sbenjsc{ 1918278366Sadrian /* Ignore */ 1919278366Sadrian} 1920278366Sadrian 1921278366Sadrianstatic void 1922278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1923278366Sadrian{ 1924178354Ssam struct ifnet *ifp = sc->sc_ifp; 1925173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1926278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1927173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1928278366Sadrian struct mbuf *m; 1929278366Sadrian struct ieee80211_node *ni; 1930278366Sadrian struct ieee80211vap *vap; 1931280078Sadrian struct ieee80211com *ic; 1932280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1933278366Sadrian int status = le32toh(stat->status); 1934173362Sbenjsc 1935278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1936173362Sbenjsc 1937278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1938278366Sadrian 1939278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1940278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1941278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1942278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1943278366Sadrian 1944278366Sadrian /* Unmap and free mbuf. */ 1945278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1946278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1947278366Sadrian m = data->m, data->m = NULL; 1948278366Sadrian ni = data->ni, data->ni = NULL; 1949278366Sadrian vap = ni->ni_vap; 1950280078Sadrian ic = vap->iv_ic; 1951278366Sadrian 1952173362Sbenjsc /* 1953173362Sbenjsc * Update rate control statistics for the node. 1954173362Sbenjsc */ 1955278366Sadrian WPI_UNLOCK(sc); 1956278366Sadrian if ((status & 0xff) != 1) { 1957271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1958278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1959278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1960278366Sadrian } else { 1961271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1962278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1963278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1964278366Sadrian } 1965173362Sbenjsc 1966278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1967278366Sadrian WPI_LOCK(sc); 1968173362Sbenjsc 1969278366Sadrian sc->sc_tx_timer = 0; 1970278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1971278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1972278366Sadrian if (sc->qfullmsk == 0 && 1973278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1974278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1975280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1976278366Sadrian } 1977278366Sadrian } 1978173362Sbenjsc 1979278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1980173362Sbenjsc} 1981173362Sbenjsc 1982278366Sadrian/* 1983278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1984278366Sadrian * processes waiting for a synchronous command completion. 1985278366Sadrian */ 1986173362Sbenjscstatic void 1987278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1988173362Sbenjsc{ 1989280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1990173362Sbenjsc struct wpi_tx_data *data; 1991173362Sbenjsc 1992278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1993278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1994278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1995278366Sadrian le32toh(desc->len)); 1996173362Sbenjsc 1997280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1998278366Sadrian return; /* Not a command ack. */ 1999173362Sbenjsc 2000280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2001280075Sadrian 2002173362Sbenjsc data = &ring->data[desc->idx]; 2003173362Sbenjsc 2004278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2005173362Sbenjsc if (data->m != NULL) { 2006278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2007278366Sadrian BUS_DMASYNC_POSTWRITE); 2008173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2009173362Sbenjsc m_freem(data->m); 2010173362Sbenjsc data->m = NULL; 2011173362Sbenjsc } 2012173362Sbenjsc 2013173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2014173362Sbenjsc} 2015173362Sbenjsc 2016173362Sbenjscstatic void 2017173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2018173362Sbenjsc{ 2019178354Ssam struct ifnet *ifp = sc->sc_ifp; 2020178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2021278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2022278366Sadrian int hw; 2023173362Sbenjsc 2024216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2025216523Sbschmidt BUS_DMASYNC_POSTREAD); 2026216523Sbschmidt 2027173362Sbenjsc hw = le32toh(sc->shared->next); 2028278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2029216523Sbschmidt 2030278764Sadrian while (sc->rxq.cur != hw) { 2031278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2032278366Sadrian 2033278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2034278366Sadrian struct wpi_rx_desc *desc; 2035278366Sadrian 2036216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2037216523Sbschmidt BUS_DMASYNC_POSTREAD); 2038278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2039173362Sbenjsc 2040278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2041278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2042278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2043278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2044173362Sbenjsc 2045280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2046280064Sadrian /* Reply to a command. */ 2047278366Sadrian wpi_cmd_done(sc, desc); 2048280064Sadrian } 2049173362Sbenjsc 2050173362Sbenjsc switch (desc->type) { 2051173362Sbenjsc case WPI_RX_DONE: 2052278366Sadrian /* An 802.11 frame has been received. */ 2053278366Sadrian wpi_rx_done(sc, desc, data); 2054280055Sadrian 2055280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2056280055Sadrian /* wpi_stop() was called. */ 2057280055Sadrian return; 2058280055Sadrian } 2059280055Sadrian 2060173362Sbenjsc break; 2061173362Sbenjsc 2062173362Sbenjsc case WPI_TX_DONE: 2063278366Sadrian /* An 802.11 frame has been transmitted. */ 2064278366Sadrian wpi_tx_done(sc, desc); 2065173362Sbenjsc break; 2066173362Sbenjsc 2067278366Sadrian case WPI_RX_STATISTICS: 2068278366Sadrian case WPI_BEACON_STATISTICS: 2069278366Sadrian wpi_rx_statistics(sc, desc, data); 2070278366Sadrian break; 2071278366Sadrian 2072278366Sadrian case WPI_BEACON_MISSED: 2073278366Sadrian { 2074278366Sadrian struct wpi_beacon_missed *miss = 2075278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2076278366Sadrian int misses; 2077278366Sadrian 2078278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2079278366Sadrian BUS_DMASYNC_POSTREAD); 2080278366Sadrian misses = le32toh(miss->consecutive); 2081278366Sadrian 2082278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2083278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2084278366Sadrian le32toh(miss->total)); 2085278366Sadrian 2086278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2087280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2088278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2089278366Sadrian WPI_UNLOCK(sc); 2090278366Sadrian ieee80211_beacon_miss(ic); 2091278366Sadrian WPI_LOCK(sc); 2092278366Sadrian } 2093278366Sadrian } 2094278366Sadrian break; 2095278366Sadrian } 2096173362Sbenjsc case WPI_UC_READY: 2097173362Sbenjsc { 2098173362Sbenjsc struct wpi_ucode_info *uc = 2099278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2100173362Sbenjsc 2101278366Sadrian /* The microcontroller is ready. */ 2102278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2103278366Sadrian BUS_DMASYNC_POSTREAD); 2104278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2105278366Sadrian "microcode alive notification version=%d.%d " 2106278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2107278366Sadrian uc->subtype, le32toh(uc->valid)); 2108173362Sbenjsc 2109173362Sbenjsc if (le32toh(uc->valid) != 1) { 2110173362Sbenjsc device_printf(sc->sc_dev, 2111173362Sbenjsc "microcontroller initialization failed\n"); 2112173362Sbenjsc wpi_stop_locked(sc); 2113173362Sbenjsc } 2114278366Sadrian /* Save the address of the error log in SRAM. */ 2115278366Sadrian sc->errptr = le32toh(uc->errptr); 2116173362Sbenjsc break; 2117173362Sbenjsc } 2118173362Sbenjsc case WPI_STATE_CHANGED: 2119173362Sbenjsc { 2120280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2121280059Sadrian BUS_DMASYNC_POSTREAD); 2122278366Sadrian 2123173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2124278764Sadrian 2125278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2126278366Sadrian le32toh(*status)); 2127278764Sadrian 2128173362Sbenjsc if (le32toh(*status) & 1) { 2129280077Sadrian WPI_NT_LOCK(sc); 2130280069Sadrian wpi_clear_node_table(sc); 2131280077Sadrian WPI_NT_UNLOCK(sc); 2132278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2133278366Sadrian return; 2134173362Sbenjsc } 2135173362Sbenjsc break; 2136173362Sbenjsc } 2137173362Sbenjsc case WPI_START_SCAN: 2138173362Sbenjsc { 2139278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2140278366Sadrian BUS_DMASYNC_POSTREAD); 2141179957Sthompsa#ifdef WPI_DEBUG 2142173362Sbenjsc struct wpi_start_scan *scan = 2143278366Sadrian (struct wpi_start_scan *)(desc + 1); 2144278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2145278366Sadrian "%s: scanning channel %d status %x\n", 2146278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2147179957Sthompsa#endif 2148173362Sbenjsc break; 2149173362Sbenjsc } 2150173362Sbenjsc case WPI_STOP_SCAN: 2151173362Sbenjsc { 2152278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2153278366Sadrian BUS_DMASYNC_POSTREAD); 2154179957Sthompsa#ifdef WPI_DEBUG 2155173362Sbenjsc struct wpi_stop_scan *scan = 2156278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2157278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2158278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2159278366Sadrian scan->nchan, scan->status, scan->chan); 2160179957Sthompsa#endif 2161177043Sthompsa sc->sc_scan_timer = 0; 2162278366Sadrian WPI_UNLOCK(sc); 2163178354Ssam ieee80211_scan_next(vap); 2164278366Sadrian WPI_LOCK(sc); 2165173362Sbenjsc break; 2166173362Sbenjsc } 2167278366Sadrian } 2168278764Sadrian } 2169173976Sbenjsc 2170278366Sadrian /* Tell the firmware what we have processed. */ 2171278366Sadrian wpi_update_rx_ring(sc); 2172278366Sadrian} 2173278366Sadrian 2174278366Sadrian/* 2175278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2176278366Sadrian * from power-down sleep mode. 2177278366Sadrian */ 2178280059Sadrianstatic void 2179278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2180278366Sadrian{ 2181278366Sadrian int qid; 2182278366Sadrian 2183278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2184278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2185278366Sadrian 2186278366Sadrian /* Wakeup RX and TX rings. */ 2187278366Sadrian if (sc->rxq.update) { 2188278764Sadrian sc->rxq.update = 0; 2189278366Sadrian wpi_update_rx_ring(sc); 2190278366Sadrian } 2191280071Sadrian WPI_TXQ_LOCK(sc); 2192280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2193278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2194278366Sadrian 2195278366Sadrian if (ring->update) { 2196278764Sadrian ring->update = 0; 2197278366Sadrian wpi_update_tx_ring(sc, ring); 2198173362Sbenjsc } 2199278366Sadrian } 2200280071Sadrian WPI_TXQ_UNLOCK(sc); 2201173362Sbenjsc 2202278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2203278366Sadrian} 2204278366Sadrian 2205278366Sadrian/* 2206278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2207278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2208278366Sadrian * can help us to identify certain classes of problems. 2209278366Sadrian */ 2210278366Sadrianstatic void 2211278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2212278366Sadrian{ 2213278366Sadrian struct wpi_fw_dump dump; 2214278366Sadrian uint32_t i, offset, count; 2215278366Sadrian const uint32_t size_errmsg = 2216278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2217278366Sadrian 2218278366Sadrian /* Check that the error log address is valid. */ 2219278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2220278366Sadrian sc->errptr + sizeof (dump) > 2221278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2222278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2223278366Sadrian sc->errptr); 2224280059Sadrian return; 2225280059Sadrian } 2226278366Sadrian if (wpi_nic_lock(sc) != 0) { 2227278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2228280059Sadrian return; 2229280059Sadrian } 2230278366Sadrian /* Read number of entries in the log. */ 2231278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2232278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2233278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2234278366Sadrian count); 2235278366Sadrian wpi_nic_unlock(sc); 2236278366Sadrian return; 2237173362Sbenjsc } 2238278366Sadrian /* Skip "count" field. */ 2239278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2240278366Sadrian printf("firmware error log (count = %u):\n", count); 2241278366Sadrian for (i = 0; i < count; i++) { 2242278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2243278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2244173362Sbenjsc 2245278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2246278366Sadrian (dump.desc < size_errmsg) ? 2247278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2248278366Sadrian dump.desc); 2249278366Sadrian printf(" error data = 0x%08X\n", 2250278366Sadrian dump.data); 2251278366Sadrian printf(" branch link = 0x%08X%08X\n", 2252278366Sadrian dump.blink[0], dump.blink[1]); 2253278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2254278366Sadrian dump.ilink[0], dump.ilink[1]); 2255278366Sadrian printf(" time = %u\n", dump.time); 2256278366Sadrian 2257278366Sadrian offset += sizeof (dump); 2258278366Sadrian } 2259278366Sadrian wpi_nic_unlock(sc); 2260278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2261278366Sadrian printf("driver status:\n"); 2262280071Sadrian WPI_TXQ_LOCK(sc); 2263280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2264278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2265278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2266278366Sadrian i, ring->qid, ring->cur, ring->queued); 2267278366Sadrian } 2268280071Sadrian WPI_TXQ_UNLOCK(sc); 2269278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2270173362Sbenjsc} 2271173362Sbenjsc 2272173362Sbenjscstatic void 2273173362Sbenjscwpi_intr(void *arg) 2274173362Sbenjsc{ 2275173362Sbenjsc struct wpi_softc *sc = arg; 2276278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2277278366Sadrian uint32_t r1, r2; 2278173362Sbenjsc 2279173362Sbenjsc WPI_LOCK(sc); 2280173362Sbenjsc 2281278366Sadrian /* Disable interrupts. */ 2282278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2283278366Sadrian 2284278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2285278366Sadrian 2286280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2287280065Sadrian goto end; /* Hardware gone! */ 2288173362Sbenjsc 2289278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2290173362Sbenjsc 2291278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2292278366Sadrian r1, r2); 2293278366Sadrian 2294278366Sadrian if (r1 == 0 && r2 == 0) 2295278366Sadrian goto done; /* Interrupt not for us. */ 2296278366Sadrian 2297278366Sadrian /* Acknowledge interrupts. */ 2298278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2299278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2300278366Sadrian 2301278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2302191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2303191746Sthompsa 2304173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2305278366Sadrian wpi_fatal_intr(sc); 2306278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2307278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2308278366Sadrian "(Hardware Error)"); 2309278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2310280065Sadrian goto end; 2311173362Sbenjsc } 2312173362Sbenjsc 2313278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2314278366Sadrian (r2 & WPI_FH_INT_RX)) 2315173362Sbenjsc wpi_notif_intr(sc); 2316173362Sbenjsc 2317278366Sadrian if (r1 & WPI_INT_ALIVE) 2318278366Sadrian wakeup(sc); /* Firmware is alive. */ 2319173362Sbenjsc 2320278366Sadrian if (r1 & WPI_INT_WAKEUP) 2321278366Sadrian wpi_wakeup_intr(sc); 2322173362Sbenjsc 2323278366Sadriandone: 2324278366Sadrian /* Re-enable interrupts. */ 2325278366Sadrian if (ifp->if_flags & IFF_UP) 2326278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2327278366Sadrian 2328280065Sadrianend: WPI_UNLOCK(sc); 2329173362Sbenjsc} 2330173362Sbenjsc 2331278366Sadrianstatic int 2332278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2333173362Sbenjsc{ 2334278366Sadrian struct ieee80211_frame *wh; 2335278366Sadrian struct wpi_tx_cmd *cmd; 2336278366Sadrian struct wpi_tx_data *data; 2337278366Sadrian struct wpi_tx_desc *desc; 2338278366Sadrian struct wpi_tx_ring *ring; 2339278366Sadrian struct mbuf *m1; 2340278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2341279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2342173362Sbenjsc 2343278366Sadrian WPI_LOCK_ASSERT(sc); 2344173362Sbenjsc 2345280071Sadrian WPI_TXQ_LOCK(sc); 2346280071Sadrian 2347280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2348280082Sadrian 2349278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2350278366Sadrian 2351280071Sadrian if (sc->txq_active == 0) { 2352280071Sadrian /* wpi_stop() was called */ 2353280071Sadrian error = ENETDOWN; 2354280071Sadrian goto fail; 2355280071Sadrian } 2356280071Sadrian 2357278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2358279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2359278366Sadrian totlen = buf->m->m_pkthdr.len; 2360278366Sadrian 2361279763Sadrian if (hdrlen & 3) { 2362279763Sadrian /* First segment length must be a multiple of 4. */ 2363279763Sadrian pad = 4 - (hdrlen & 3); 2364279763Sadrian } else 2365279763Sadrian pad = 0; 2366279763Sadrian 2367278366Sadrian ring = &sc->txq[buf->ac]; 2368278366Sadrian desc = &ring->desc[ring->cur]; 2369278366Sadrian data = &ring->data[ring->cur]; 2370278366Sadrian 2371278366Sadrian /* Prepare TX firmware command. */ 2372278366Sadrian cmd = &ring->cmd[ring->cur]; 2373278366Sadrian cmd->code = buf->code; 2374278366Sadrian cmd->flags = 0; 2375278366Sadrian cmd->qid = ring->qid; 2376278366Sadrian cmd->idx = ring->cur; 2377278366Sadrian 2378278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2379278366Sadrian 2380278366Sadrian /* Save and trim IEEE802.11 header. */ 2381279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2382279763Sadrian m_adj(buf->m, hdrlen); 2383278366Sadrian 2384278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2385278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2386278366Sadrian if (error != 0 && error != EFBIG) { 2387278366Sadrian device_printf(sc->sc_dev, 2388278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2389280071Sadrian goto fail; 2390173362Sbenjsc } 2391278366Sadrian if (error != 0) { 2392278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2393280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2394278366Sadrian if (m1 == NULL) { 2395278366Sadrian device_printf(sc->sc_dev, 2396278366Sadrian "%s: could not defrag mbuf\n", __func__); 2397280071Sadrian error = ENOBUFS; 2398280071Sadrian goto fail; 2399278366Sadrian } 2400278366Sadrian buf->m = m1; 2401278366Sadrian 2402278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2403278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2404278366Sadrian if (error != 0) { 2405278366Sadrian device_printf(sc->sc_dev, 2406280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2407280066Sadrian error); 2408280071Sadrian goto fail; 2409278366Sadrian } 2410278366Sadrian } 2411278366Sadrian 2412280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2413280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2414280050Sadrian nsegs, WPI_MAX_SCATTER)); 2415280050Sadrian 2416278366Sadrian data->m = buf->m; 2417278366Sadrian data->ni = buf->ni; 2418278366Sadrian 2419278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2420278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2421278366Sadrian 2422278366Sadrian /* Fill TX descriptor. */ 2423279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2424278366Sadrian /* First DMA segment is used by the TX command. */ 2425278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2426279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2427278366Sadrian /* Other DMA segments are for data payload. */ 2428278366Sadrian seg = &segs[0]; 2429278366Sadrian for (i = 1; i <= nsegs; i++) { 2430278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2431278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2432278366Sadrian seg++; 2433278366Sadrian } 2434278366Sadrian 2435278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2436278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2437278366Sadrian BUS_DMASYNC_PREWRITE); 2438278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2439278366Sadrian BUS_DMASYNC_PREWRITE); 2440278366Sadrian 2441278366Sadrian /* Kick TX ring. */ 2442278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2443278366Sadrian wpi_update_tx_ring(sc, ring); 2444278366Sadrian 2445280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2446280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2447280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2448280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2449278366Sadrian 2450280074Sadrian sc->sc_tx_timer = 5; 2451280075Sadrian } 2452280074Sadrian 2453278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2454278366Sadrian 2455280071Sadrian WPI_TXQ_UNLOCK(sc); 2456280071Sadrian 2457278366Sadrian return 0; 2458280071Sadrian 2459280071Sadrianfail: m_freem(buf->m); 2460280071Sadrian 2461280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2462280071Sadrian 2463280071Sadrian WPI_TXQ_UNLOCK(sc); 2464280071Sadrian 2465280071Sadrian return error; 2466173362Sbenjsc} 2467173362Sbenjsc 2468173362Sbenjsc/* 2469278366Sadrian * Construct the data packet for a transmit buffer. 2470173362Sbenjsc */ 2471173362Sbenjscstatic int 2472278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2473173362Sbenjsc{ 2474278366Sadrian const struct ieee80211_txparam *tp; 2475178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2476278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2477280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2478278366Sadrian struct ieee80211_channel *chan; 2479173362Sbenjsc struct ieee80211_frame *wh; 2480278366Sadrian struct ieee80211_key *k = NULL; 2481278366Sadrian struct wpi_buf tx_data; 2482280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2483278366Sadrian uint32_t flags; 2484278366Sadrian uint16_t qos; 2485278366Sadrian uint8_t tid, type; 2486280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2487173362Sbenjsc 2488278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2489278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2490278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2491173362Sbenjsc 2492278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2493278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2494278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2495278366Sadrian tid = qos & IEEE80211_QOS_TID; 2496278366Sadrian } else { 2497278366Sadrian qos = 0; 2498278366Sadrian tid = 0; 2499280059Sadrian } 2500278366Sadrian ac = M_WME_GETAC(m); 2501173362Sbenjsc 2502278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2503278366Sadrian ni->ni_chan : ic->ic_curchan; 2504278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2505173362Sbenjsc 2506278366Sadrian /* Choose a TX rate index. */ 2507278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2508278366Sadrian rate = tp->mgmtrate; 2509278366Sadrian else if (ismcast) 2510278366Sadrian rate = tp->mcastrate; 2511278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2512278366Sadrian rate = tp->ucastrate; 2513278366Sadrian else if (m->m_flags & M_EAPOL) 2514278366Sadrian rate = tp->mgmtrate; 2515278366Sadrian else { 2516278366Sadrian /* XXX pass pktlen */ 2517278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2518278366Sadrian rate = ni->ni_txrate; 2519278366Sadrian } 2520278366Sadrian 2521278366Sadrian /* Encrypt the frame if need be. */ 2522260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2523278366Sadrian /* Retrieve key for TX. */ 2524278366Sadrian k = ieee80211_crypto_encap(ni, m); 2525177043Sthompsa if (k == NULL) { 2526278366Sadrian error = ENOBUFS; 2527278366Sadrian goto fail; 2528173362Sbenjsc } 2529280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2530280068Sadrian 2531278366Sadrian /* 802.11 header may have moved. */ 2532278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2533173362Sbenjsc } 2534279763Sadrian totlen = m->m_pkthdr.len; 2535173362Sbenjsc 2536278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2537278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2538173362Sbenjsc 2539279763Sadrian tap->wt_flags = 0; 2540278366Sadrian tap->wt_rate = rate; 2541278366Sadrian if (k != NULL) 2542278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2543173362Sbenjsc 2544278366Sadrian ieee80211_radiotap_tx(vap, m); 2545278366Sadrian } 2546278366Sadrian 2547278366Sadrian flags = 0; 2548177119Ssam if (!ismcast) { 2549278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2550278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2551278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2552278366Sadrian flags |= WPI_TX_NEED_ACK; 2553278366Sadrian } 2554278366Sadrian 2555278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2556278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2557278764Sadrian 2558278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2559278366Sadrian if (!ismcast) { 2560278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2561278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2562278366Sadrian flags |= WPI_TX_NEED_RTS; 2563278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2564278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2565278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2566278366Sadrian flags |= WPI_TX_NEED_CTS; 2567278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2568278366Sadrian flags |= WPI_TX_NEED_RTS; 2569177043Sthompsa } 2570278366Sadrian 2571278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2572278366Sadrian flags |= WPI_TX_FULL_TXOP; 2573173362Sbenjsc } 2574278366Sadrian 2575280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2576278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2577173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2578278366Sadrian 2579278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2580173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2581278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2582173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2583177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2584280082Sadrian tx->timeout = htole16(3); 2585173362Sbenjsc else 2586280082Sadrian tx->timeout = htole16(2); 2587177043Sthompsa } 2588173362Sbenjsc 2589278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2590280082Sadrian tx->id = WPI_ID_BROADCAST; 2591278366Sadrian else { 2592278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2593278366Sadrian device_printf(sc->sc_dev, 2594278366Sadrian "%s: undefined node id\n", __func__); 2595278366Sadrian error = EINVAL; 2596278366Sadrian goto fail; 2597278366Sadrian } 2598278366Sadrian 2599280082Sadrian tx->id = wn->id; 2600278366Sadrian } 2601278366Sadrian 2602278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2603280082Sadrian tx->data_ntries = tp->maxretry; 2604278366Sadrian 2605280068Sadrian if (k != NULL && !swcrypt) { 2606280068Sadrian switch (k->wk_cipher->ic_cipher) { 2607280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2608280082Sadrian tx->security = WPI_CIPHER_CCMP; 2609280068Sadrian break; 2610280068Sadrian 2611280068Sadrian default: 2612280068Sadrian break; 2613280068Sadrian } 2614280068Sadrian 2615280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2616280068Sadrian } 2617280068Sadrian 2618280082Sadrian tx->len = htole16(totlen); 2619280082Sadrian tx->flags = htole32(flags); 2620280082Sadrian tx->plcp = rate2plcp(rate); 2621280082Sadrian tx->tid = tid; 2622280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2623280082Sadrian tx->ofdm_mask = 0xff; 2624280082Sadrian tx->cck_mask = 0x0f; 2625280082Sadrian tx->rts_ntries = 7; 2626278366Sadrian 2627278366Sadrian tx_data.ni = ni; 2628278366Sadrian tx_data.m = m; 2629280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2630278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2631278366Sadrian tx_data.ac = ac; 2632278366Sadrian 2633278366Sadrian return wpi_cmd2(sc, &tx_data); 2634278366Sadrian 2635278366Sadrianfail: m_freem(m); 2636278366Sadrian return error; 2637278366Sadrian} 2638278366Sadrian 2639278366Sadrianstatic int 2640280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2641280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2642278366Sadrian{ 2643278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2644278366Sadrian struct ieee80211_frame *wh; 2645278366Sadrian struct wpi_buf tx_data; 2646280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2647278366Sadrian uint32_t flags; 2648278366Sadrian uint8_t type; 2649279763Sadrian int ac, rate, totlen; 2650278366Sadrian 2651278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2652278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2653279763Sadrian totlen = m->m_pkthdr.len; 2654278366Sadrian 2655278366Sadrian ac = params->ibp_pri & 3; 2656278366Sadrian 2657278366Sadrian /* Choose a TX rate index. */ 2658278366Sadrian rate = params->ibp_rate0; 2659278366Sadrian 2660278366Sadrian flags = 0; 2661278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2662278366Sadrian flags |= WPI_TX_NEED_ACK; 2663278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2664278366Sadrian flags |= WPI_TX_NEED_RTS; 2665278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2666278366Sadrian flags |= WPI_TX_NEED_CTS; 2667278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2668278366Sadrian flags |= WPI_TX_FULL_TXOP; 2669278366Sadrian 2670192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2671177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2672278366Sadrian 2673177043Sthompsa tap->wt_flags = 0; 2674177043Sthompsa tap->wt_rate = rate; 2675178354Ssam 2676278366Sadrian ieee80211_radiotap_tx(vap, m); 2677177043Sthompsa } 2678173362Sbenjsc 2679280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2680278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2681278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2682173362Sbenjsc 2683278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2684278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2685278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2686278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2687278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2688280082Sadrian tx->timeout = htole16(3); 2689278366Sadrian else 2690280082Sadrian tx->timeout = htole16(2); 2691173362Sbenjsc } 2692173362Sbenjsc 2693280082Sadrian tx->len = htole16(totlen); 2694280082Sadrian tx->flags = htole32(flags); 2695280082Sadrian tx->plcp = rate2plcp(rate); 2696280082Sadrian tx->id = WPI_ID_BROADCAST; 2697280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2698280082Sadrian tx->rts_ntries = params->ibp_try1; 2699280082Sadrian tx->data_ntries = params->ibp_try0; 2700278366Sadrian 2701278366Sadrian tx_data.ni = ni; 2702278366Sadrian tx_data.m = m; 2703280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2704278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2705278366Sadrian tx_data.ac = ac; 2706278366Sadrian 2707278366Sadrian return wpi_cmd2(sc, &tx_data); 2708278366Sadrian} 2709278366Sadrian 2710278366Sadrianstatic int 2711278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2712278366Sadrian const struct ieee80211_bpf_params *params) 2713278366Sadrian{ 2714278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2715278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2716278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2717278366Sadrian int error = 0; 2718278366Sadrian 2719278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2720278366Sadrian 2721278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2722278366Sadrian ieee80211_free_node(ni); 2723278366Sadrian m_freem(m); 2724278366Sadrian return ENETDOWN; 2725173362Sbenjsc } 2726173362Sbenjsc 2727278366Sadrian WPI_LOCK(sc); 2728278366Sadrian if (params == NULL) { 2729278366Sadrian /* 2730278366Sadrian * Legacy path; interpret frame contents to decide 2731278366Sadrian * precisely how to send the frame. 2732278366Sadrian */ 2733278366Sadrian error = wpi_tx_data(sc, m, ni); 2734278366Sadrian } else { 2735278366Sadrian /* 2736278366Sadrian * Caller supplied explicit parameters to use in 2737278366Sadrian * sending the frame. 2738278366Sadrian */ 2739278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2740278366Sadrian } 2741278366Sadrian WPI_UNLOCK(sc); 2742173362Sbenjsc 2743278366Sadrian if (error != 0) { 2744278366Sadrian /* NB: m is reclaimed on tx failure */ 2745278366Sadrian ieee80211_free_node(ni); 2746278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2747173362Sbenjsc 2748278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2749278366Sadrian 2750278366Sadrian return error; 2751173362Sbenjsc } 2752173362Sbenjsc 2753278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2754173362Sbenjsc 2755173362Sbenjsc return 0; 2756173362Sbenjsc} 2757173362Sbenjsc 2758173362Sbenjsc/** 2759173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2760173362Sbenjsc */ 2761173362Sbenjscstatic void 2762173362Sbenjscwpi_start(struct ifnet *ifp) 2763173362Sbenjsc{ 2764173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2765178354Ssam 2766178354Ssam WPI_LOCK(sc); 2767178354Ssam wpi_start_locked(ifp); 2768178354Ssam WPI_UNLOCK(sc); 2769178354Ssam} 2770178354Ssam 2771178354Ssamstatic void 2772178354Ssamwpi_start_locked(struct ifnet *ifp) 2773178354Ssam{ 2774178354Ssam struct wpi_softc *sc = ifp->if_softc; 2775173362Sbenjsc struct ieee80211_node *ni; 2776178354Ssam struct mbuf *m; 2777173362Sbenjsc 2778178354Ssam WPI_LOCK_ASSERT(sc); 2779178354Ssam 2780278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2781278366Sadrian 2782278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2783278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2784177043Sthompsa return; 2785173362Sbenjsc 2786173362Sbenjsc for (;;) { 2787278366Sadrian if (sc->qfullmsk != 0) { 2788278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2789278366Sadrian break; 2790278366Sadrian } 2791190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2792178354Ssam if (m == NULL) 2793178354Ssam break; 2794278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2795278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2796278366Sadrian WPI_UNLOCK(sc); 2797178354Ssam ieee80211_free_node(ni); 2798278366Sadrian WPI_LOCK(sc); 2799271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2800280074Sadrian } 2801178354Ssam } 2802278366Sadrian 2803278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2804178354Ssam} 2805173362Sbenjsc 2806278366Sadrianstatic void 2807280078Sadrianwpi_start_task(void *arg0, int pending) 2808280078Sadrian{ 2809280078Sadrian struct wpi_softc *sc = arg0; 2810280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2811280078Sadrian 2812280078Sadrian wpi_start(ifp); 2813280078Sadrian} 2814280078Sadrian 2815280078Sadrianstatic void 2816278366Sadrianwpi_watchdog_rfkill(void *arg) 2817178354Ssam{ 2818278366Sadrian struct wpi_softc *sc = arg; 2819278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2820278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2821173362Sbenjsc 2822278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2823278366Sadrian 2824278366Sadrian /* No need to lock firmware memory. */ 2825278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2826278366Sadrian /* Radio kill switch is still off. */ 2827278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2828278366Sadrian sc); 2829278366Sadrian } else 2830278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2831278366Sadrian} 2832278366Sadrian 2833278366Sadrian/** 2834278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2835278366Sadrian * to check that the card is still alive 2836278366Sadrian */ 2837278366Sadrianstatic void 2838278366Sadrianwpi_watchdog(void *arg) 2839278366Sadrian{ 2840278366Sadrian struct wpi_softc *sc = arg; 2841278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2842278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2843278366Sadrian 2844278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2845278366Sadrian 2846278366Sadrian if (sc->sc_tx_timer > 0) { 2847278366Sadrian if (--sc->sc_tx_timer == 0) { 2848278366Sadrian if_printf(ifp, "device timeout\n"); 2849278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2850278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2851278366Sadrian } 2852178354Ssam } 2853173362Sbenjsc 2854278366Sadrian if (sc->sc_scan_timer > 0) { 2855278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2856278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2857278366Sadrian if_printf(ifp, "scan timeout\n"); 2858278366Sadrian ieee80211_cancel_scan(vap); 2859278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2860278366Sadrian } 2861178354Ssam } 2862173362Sbenjsc 2863278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2864278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2865173362Sbenjsc} 2866173362Sbenjsc 2867173362Sbenjscstatic int 2868173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2869173362Sbenjsc{ 2870173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2871178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2872278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2873178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2874278366Sadrian int error = 0, startall = 0, stop = 0; 2875173362Sbenjsc 2876173362Sbenjsc switch (cmd) { 2877278366Sadrian case SIOCGIFADDR: 2878278366Sadrian error = ether_ioctl(ifp, cmd, data); 2879278366Sadrian break; 2880173362Sbenjsc case SIOCSIFFLAGS: 2881178704Sthompsa WPI_LOCK(sc); 2882278366Sadrian if (ifp->if_flags & IFF_UP) { 2883178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2884278366Sadrian wpi_init_locked(sc); 2885278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2886278366Sadrian WPI_GP_CNTRL_RFKILL) 2887278366Sadrian startall = 1; 2888278366Sadrian else 2889278366Sadrian stop = 1; 2890178354Ssam } 2891278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2892173362Sbenjsc wpi_stop_locked(sc); 2893178704Sthompsa WPI_UNLOCK(sc); 2894178704Sthompsa if (startall) 2895178704Sthompsa ieee80211_start_all(ic); 2896278366Sadrian else if (vap != NULL && stop) 2897278366Sadrian ieee80211_stop(vap); 2898173362Sbenjsc break; 2899178354Ssam case SIOCGIFMEDIA: 2900178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2901178354Ssam break; 2902178704Sthompsa default: 2903178704Sthompsa error = EINVAL; 2904178704Sthompsa break; 2905173362Sbenjsc } 2906173362Sbenjsc return error; 2907173362Sbenjsc} 2908173362Sbenjsc 2909173362Sbenjsc/* 2910173362Sbenjsc * Send a command to the firmware. 2911173362Sbenjsc */ 2912173362Sbenjscstatic int 2913278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2914278366Sadrian int async) 2915173362Sbenjsc{ 2916280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2917173362Sbenjsc struct wpi_tx_desc *desc; 2918278366Sadrian struct wpi_tx_data *data; 2919173362Sbenjsc struct wpi_tx_cmd *cmd; 2920278366Sadrian struct mbuf *m; 2921278366Sadrian bus_addr_t paddr; 2922278366Sadrian int totlen, error; 2923173362Sbenjsc 2924280071Sadrian WPI_TXQ_LOCK(sc); 2925280071Sadrian 2926278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2927278366Sadrian 2928280071Sadrian if (sc->txq_active == 0) { 2929280071Sadrian /* wpi_stop() was called */ 2930280071Sadrian error = 0; 2931280071Sadrian goto fail; 2932280071Sadrian } 2933280071Sadrian 2934278366Sadrian if (async == 0) 2935173362Sbenjsc WPI_LOCK_ASSERT(sc); 2936173362Sbenjsc 2937278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2938278366Sadrian wpi_cmd_str(code), size, async); 2939173362Sbenjsc 2940173362Sbenjsc desc = &ring->desc[ring->cur]; 2941278366Sadrian data = &ring->data[ring->cur]; 2942278366Sadrian totlen = 4 + size; 2943173362Sbenjsc 2944278366Sadrian if (size > sizeof cmd->data) { 2945278366Sadrian /* Command is too large to fit in a descriptor. */ 2946280071Sadrian if (totlen > MCLBYTES) { 2947280071Sadrian error = EINVAL; 2948280071Sadrian goto fail; 2949280071Sadrian } 2950278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2951280071Sadrian if (m == NULL) { 2952280071Sadrian error = ENOMEM; 2953280071Sadrian goto fail; 2954280071Sadrian } 2955278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2956278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2957278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2958278366Sadrian if (error != 0) { 2959278366Sadrian m_freem(m); 2960280071Sadrian goto fail; 2961278366Sadrian } 2962278366Sadrian data->m = m; 2963278366Sadrian } else { 2964278366Sadrian cmd = &ring->cmd[ring->cur]; 2965278366Sadrian paddr = data->cmd_paddr; 2966278366Sadrian } 2967278366Sadrian 2968173362Sbenjsc cmd->code = code; 2969173362Sbenjsc cmd->flags = 0; 2970173362Sbenjsc cmd->qid = ring->qid; 2971173362Sbenjsc cmd->idx = ring->cur; 2972173362Sbenjsc memcpy(cmd->data, buf, size); 2973173362Sbenjsc 2974278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2975278366Sadrian desc->segs[0].addr = htole32(paddr); 2976278366Sadrian desc->segs[0].len = htole32(totlen); 2977173362Sbenjsc 2978278366Sadrian if (size > sizeof cmd->data) { 2979278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2980278366Sadrian BUS_DMASYNC_PREWRITE); 2981278366Sadrian } else { 2982278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2983278366Sadrian BUS_DMASYNC_PREWRITE); 2984278366Sadrian } 2985278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2986278366Sadrian BUS_DMASYNC_PREWRITE); 2987173362Sbenjsc 2988278366Sadrian /* Kick command ring. */ 2989278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2990278366Sadrian wpi_update_tx_ring(sc, ring); 2991278366Sadrian 2992278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2993278366Sadrian 2994280071Sadrian WPI_TXQ_UNLOCK(sc); 2995280071Sadrian 2996280072Sadrian if (async) 2997173362Sbenjsc return 0; 2998173362Sbenjsc 2999280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3000280071Sadrian 3001280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3002280071Sadrian 3003280071Sadrian WPI_TXQ_UNLOCK(sc); 3004280071Sadrian 3005280071Sadrian return error; 3006173362Sbenjsc} 3007173362Sbenjsc 3008173362Sbenjsc/* 3009278366Sadrian * Configure HW multi-rate retries. 3010173362Sbenjsc */ 3011173362Sbenjscstatic int 3012173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3013173362Sbenjsc{ 3014178354Ssam struct ifnet *ifp = sc->sc_ifp; 3015178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3016173362Sbenjsc struct wpi_mrr_setup mrr; 3017173362Sbenjsc int i, error; 3018173362Sbenjsc 3019278366Sadrian /* CCK rates (not used with 802.11a). */ 3020278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3021173362Sbenjsc mrr.rates[i].flags = 0; 3022278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3023278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3024278366Sadrian mrr.rates[i].next = 3025278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3026278366Sadrian /* Try one time at this rate before falling back to "next". */ 3027173362Sbenjsc mrr.rates[i].ntries = 1; 3028173362Sbenjsc } 3029278366Sadrian /* OFDM rates (not used with 802.11b). */ 3030278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3031173362Sbenjsc mrr.rates[i].flags = 0; 3032278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3033278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3034278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3035278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3036173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3037278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3038173362Sbenjsc i - 1; 3039278366Sadrian /* Try one time at this rate before falling back to "next". */ 3040173362Sbenjsc mrr.rates[i].ntries = 1; 3041173362Sbenjsc } 3042278366Sadrian /* Setup MRR for control frames. */ 3043278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3044173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3045173362Sbenjsc if (error != 0) { 3046173362Sbenjsc device_printf(sc->sc_dev, 3047173362Sbenjsc "could not setup MRR for control frames\n"); 3048173362Sbenjsc return error; 3049173362Sbenjsc } 3050278366Sadrian /* Setup MRR for data frames. */ 3051278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3052173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3053173362Sbenjsc if (error != 0) { 3054173362Sbenjsc device_printf(sc->sc_dev, 3055173362Sbenjsc "could not setup MRR for data frames\n"); 3056173362Sbenjsc return error; 3057173362Sbenjsc } 3058173362Sbenjsc return 0; 3059173362Sbenjsc} 3060173362Sbenjsc 3061278366Sadrianstatic int 3062278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3063278366Sadrian{ 3064278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3065280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3066278366Sadrian struct wpi_node_info node; 3067278366Sadrian 3068278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3069278366Sadrian 3070278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3071278366Sadrian return EINVAL; 3072278366Sadrian 3073278366Sadrian memset(&node, 0, sizeof node); 3074279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3075278366Sadrian node.id = wn->id; 3076278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3077278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3078278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3079278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3080278366Sadrian 3081278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3082278366Sadrian} 3083278366Sadrian 3084278366Sadrian/* 3085278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3086278366Sadrian */ 3087278366Sadrianstatic int 3088278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3089278366Sadrian{ 3090278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3091278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3092278366Sadrian struct wpi_node_info node; 3093278366Sadrian 3094278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3095278366Sadrian 3096278366Sadrian memset(&node, 0, sizeof node); 3097278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3098278366Sadrian node.id = WPI_ID_BROADCAST; 3099278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3100278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3101278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3102278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3103278366Sadrian 3104278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3105278366Sadrian} 3106278366Sadrian 3107278366Sadrianstatic int 3108280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3109280070Sadrian{ 3110280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3111280070Sadrian int error; 3112280070Sadrian 3113280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3114280070Sadrian 3115280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3116280070Sadrian 3117280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3118280070Sadrian wpi_del_node_entry(sc, wn->id); 3119280070Sadrian wn->id = WPI_ID_UNDEFINED; 3120280070Sadrian return error; 3121280070Sadrian } 3122280070Sadrian 3123280070Sadrian return 0; 3124280070Sadrian} 3125280070Sadrian 3126280070Sadrianstatic int 3127278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3128278366Sadrian{ 3129280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3130280069Sadrian int error; 3131278366Sadrian 3132278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3133278366Sadrian 3134278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3135278366Sadrian return EINVAL; 3136278366Sadrian 3137280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3138280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3139280069Sadrian return ENOMEM; 3140280069Sadrian } 3141278366Sadrian 3142280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3143280069Sadrian wpi_del_node_entry(sc, wn->id); 3144280069Sadrian wn->id = WPI_ID_UNDEFINED; 3145280069Sadrian return error; 3146280069Sadrian } 3147278366Sadrian 3148280069Sadrian return 0; 3149278366Sadrian} 3150278366Sadrian 3151173362Sbenjscstatic void 3152278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3153278366Sadrian{ 3154280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3155278366Sadrian struct wpi_cmd_del_node node; 3156278366Sadrian int error; 3157278366Sadrian 3158278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3159278366Sadrian 3160278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3161278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3162278366Sadrian __func__); 3163278366Sadrian return; 3164278366Sadrian } 3165278366Sadrian 3166278366Sadrian memset(&node, 0, sizeof node); 3167279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3168278366Sadrian node.count = 1; 3169278366Sadrian 3170278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3171278366Sadrian if (error != 0) { 3172278366Sadrian device_printf(sc->sc_dev, 3173278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3174278366Sadrian wn->id, error); 3175278366Sadrian } 3176278366Sadrian} 3177278366Sadrian 3178278366Sadrianstatic int 3179278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3180278366Sadrian{ 3181278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3182278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3183278366Sadrian struct wpi_edca_params cmd; 3184278366Sadrian int aci, error; 3185278366Sadrian 3186278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3187278366Sadrian 3188278366Sadrian memset(&cmd, 0, sizeof cmd); 3189278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3190278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3191278366Sadrian const struct wmeParams *ac = 3192278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3193278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3194278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3195278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3196278366Sadrian cmd.ac[aci].txoplimit = 3197278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3198278366Sadrian 3199278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3200278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3201278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3202278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3203278366Sadrian cmd.ac[aci].txoplimit); 3204278366Sadrian } 3205278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3206278366Sadrian 3207278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3208278366Sadrian 3209278366Sadrian return error; 3210278366Sadrian#undef WPI_EXP2 3211278366Sadrian} 3212278366Sadrian 3213278366Sadrianstatic void 3214278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3215278366Sadrian{ 3216278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3217278366Sadrian uint32_t promisc_filter; 3218278366Sadrian 3219278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3220278366Sadrian 3221278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3222278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3223278366Sadrian else 3224278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3225278366Sadrian} 3226278366Sadrian 3227278366Sadrianstatic void 3228278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3229278366Sadrian{ 3230278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3231278366Sadrian 3232280074Sadrian WPI_LOCK(sc); 3233278366Sadrian wpi_set_promisc(sc); 3234278366Sadrian 3235278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3236278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3237278366Sadrian __func__); 3238278366Sadrian } 3239278366Sadrian WPI_UNLOCK(sc); 3240278366Sadrian} 3241278366Sadrian 3242278366Sadrianstatic void 3243278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3244278366Sadrian{ 3245278366Sadrian /* Ignore */ 3246278366Sadrian} 3247278366Sadrian 3248278366Sadrianstatic void 3249173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3250173362Sbenjsc{ 3251173362Sbenjsc struct wpi_cmd_led led; 3252173362Sbenjsc 3253278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3254278366Sadrian 3255173362Sbenjsc led.which = which; 3256173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3257173362Sbenjsc led.off = off; 3258173362Sbenjsc led.on = on; 3259173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3260173362Sbenjsc} 3261173362Sbenjsc 3262278366Sadrianstatic int 3263278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3264173362Sbenjsc{ 3265278366Sadrian struct wpi_cmd_timing cmd; 3266173362Sbenjsc uint64_t val, mod; 3267173362Sbenjsc 3268278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3269173362Sbenjsc 3270278366Sadrian memset(&cmd, 0, sizeof cmd); 3271278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3272278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3273278366Sadrian cmd.lintval = htole16(10); 3274173362Sbenjsc 3275278366Sadrian /* Compute remaining time until next beacon. */ 3276278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3277278366Sadrian mod = le64toh(cmd.tstamp) % val; 3278278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3279278366Sadrian 3280278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3281278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3282278366Sadrian 3283278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3284173362Sbenjsc} 3285173362Sbenjsc 3286173362Sbenjsc/* 3287278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3288278366Sadrian * power to temperature changes. 3289173362Sbenjsc */ 3290278366Sadrianstatic void 3291278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3292278366Sadrian{ 3293278366Sadrian int temp; 3294278366Sadrian 3295278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3296278366Sadrian 3297278366Sadrian /* Update sensor data. */ 3298278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3299278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3300278366Sadrian 3301278366Sadrian /* Sanity-check read value. */ 3302278366Sadrian if (temp < -260 || temp > 25) { 3303278366Sadrian /* This can't be correct, ignore. */ 3304278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3305278366Sadrian "out-of-range temperature reported: %d\n", temp); 3306278366Sadrian return; 3307278366Sadrian } 3308278366Sadrian 3309278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3310278366Sadrian 3311278366Sadrian /* Adjust Tx power if need be. */ 3312278366Sadrian if (abs(temp - sc->temp) <= 6) 3313278366Sadrian return; 3314278366Sadrian 3315278366Sadrian sc->temp = temp; 3316278366Sadrian 3317278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3318278366Sadrian /* just warn, too bad for the automatic calibration... */ 3319278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3320278366Sadrian } 3321278366Sadrian} 3322278366Sadrian 3323278366Sadrian/* 3324278366Sadrian * Set TX power for current channel. 3325278366Sadrian */ 3326173362Sbenjscstatic int 3327278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3328173362Sbenjsc{ 3329280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3330278366Sadrian struct ieee80211_channel *ch; 3331278366Sadrian struct wpi_power_group *group; 3332278366Sadrian struct wpi_cmd_txpower cmd; 3333278366Sadrian uint8_t chan; 3334278366Sadrian int idx, i; 3335173362Sbenjsc 3336278366Sadrian /* Retrieve current channel from last RXON. */ 3337278366Sadrian chan = sc->rxon.chan; 3338278366Sadrian ch = &ic->ic_channels[chan]; 3339173362Sbenjsc 3340278366Sadrian /* Find the TX power group to which this channel belongs. */ 3341278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3342278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3343278366Sadrian if (chan <= group->chan) 3344278366Sadrian break; 3345278366Sadrian } else 3346278366Sadrian group = &sc->groups[0]; 3347278366Sadrian 3348278366Sadrian memset(&cmd, 0, sizeof cmd); 3349278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3350278366Sadrian cmd.chan = htole16(chan); 3351278366Sadrian 3352278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3353278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3354278366Sadrian /* Retrieve TX power for this channel/rate. */ 3355278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3356278366Sadrian 3357278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3358278366Sadrian 3359278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3360278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3361278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3362278366Sadrian } else { 3363278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3364278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3365278366Sadrian } 3366278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3367278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3368173362Sbenjsc } 3369173362Sbenjsc 3370278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3371278366Sadrian} 3372173362Sbenjsc 3373278366Sadrian/* 3374278366Sadrian * Determine Tx power index for a given channel/rate combination. 3375278366Sadrian * This takes into account the regulatory information from EEPROM and the 3376278366Sadrian * current temperature. 3377278366Sadrian */ 3378278366Sadrianstatic int 3379278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3380278366Sadrian struct ieee80211_channel *c, int ridx) 3381278366Sadrian{ 3382278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3383280059Sadrian#define fdivround(a, b, n) \ 3384278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3385173362Sbenjsc 3386278366Sadrian/* Linear interpolation. */ 3387280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3388278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3389173362Sbenjsc 3390280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3391278366Sadrian struct wpi_power_sample *sample; 3392278366Sadrian int pwr, idx; 3393278366Sadrian u_int chan; 3394278366Sadrian 3395278366Sadrian /* Get channel number. */ 3396278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3397278366Sadrian 3398278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3399278366Sadrian pwr = group->maxpwr / 2; 3400278366Sadrian 3401278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3402278366Sadrian switch (ridx) { 3403278366Sadrian case WPI_RIDX_OFDM36: 3404278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3405278366Sadrian break; 3406278366Sadrian case WPI_RIDX_OFDM48: 3407278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3408278366Sadrian break; 3409278366Sadrian case WPI_RIDX_OFDM54: 3410278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3411278366Sadrian break; 3412173362Sbenjsc } 3413173362Sbenjsc 3414278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3415278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3416173362Sbenjsc 3417278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3418278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3419278366Sadrian if (pwr > sample[1].power) 3420278366Sadrian break; 3421278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3422278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3423278366Sadrian sample[1].power, sample[1].index, 19); 3424173362Sbenjsc 3425278366Sadrian /*- 3426278366Sadrian * Adjust power index based on current temperature: 3427278366Sadrian * - if cooler than factory-calibrated: decrease output power 3428278366Sadrian * - if warmer than factory-calibrated: increase output power 3429278366Sadrian */ 3430278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3431173362Sbenjsc 3432278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3433278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3434278366Sadrian idx += 10; 3435278366Sadrian 3436278366Sadrian /* Make sure idx stays in a valid range. */ 3437278366Sadrian if (idx < 0) 3438278366Sadrian return 0; 3439278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3440278366Sadrian return WPI_MAX_PWR_INDEX; 3441278366Sadrian return idx; 3442278366Sadrian 3443278366Sadrian#undef interpolate 3444278366Sadrian#undef fdivround 3445173362Sbenjsc} 3446173362Sbenjsc 3447278366Sadrian/* 3448278366Sadrian * Set STA mode power saving level (between 0 and 5). 3449278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3450278366Sadrian */ 3451173362Sbenjscstatic int 3452278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3453173362Sbenjsc{ 3454278366Sadrian struct wpi_pmgt_cmd cmd; 3455278366Sadrian const struct wpi_pmgt *pmgt; 3456278366Sadrian uint32_t max, skip_dtim; 3457278366Sadrian uint32_t reg; 3458278366Sadrian int i; 3459278366Sadrian 3460278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3461278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3462278366Sadrian __func__, dtim, level, async); 3463278366Sadrian 3464278366Sadrian /* Select which PS parameters to use. */ 3465278366Sadrian if (dtim <= 10) 3466278366Sadrian pmgt = &wpi_pmgt[0][level]; 3467278366Sadrian else 3468278366Sadrian pmgt = &wpi_pmgt[1][level]; 3469278366Sadrian 3470278366Sadrian memset(&cmd, 0, sizeof cmd); 3471278366Sadrian if (level != 0) /* not CAM */ 3472278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3473278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3474278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3475278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3476278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3477278366Sadrian 3478278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3479278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3480278366Sadrian 3481278366Sadrian if (dtim == 0) { 3482278366Sadrian dtim = 1; 3483278366Sadrian skip_dtim = 0; 3484278366Sadrian } else 3485278366Sadrian skip_dtim = pmgt->skip_dtim; 3486278366Sadrian 3487278366Sadrian if (skip_dtim != 0) { 3488278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3489278366Sadrian max = pmgt->intval[4]; 3490278366Sadrian if (max == (uint32_t)-1) 3491278366Sadrian max = dtim * (skip_dtim + 1); 3492278366Sadrian else if (max > dtim) 3493278366Sadrian max = (max / dtim) * dtim; 3494278366Sadrian } else 3495278366Sadrian max = dtim; 3496278366Sadrian 3497278366Sadrian for (i = 0; i < 5; i++) 3498278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3499278366Sadrian 3500278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3501278366Sadrian} 3502278366Sadrian 3503280059Sadrianstatic int 3504278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3505278366Sadrian{ 3506278366Sadrian struct wpi_bluetooth cmd; 3507278366Sadrian 3508280059Sadrian memset(&cmd, 0, sizeof cmd); 3509280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3510280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3511280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3512278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3513278366Sadrian __func__); 3514280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3515278366Sadrian} 3516278366Sadrian 3517278366Sadrianstatic int 3518278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3519278366Sadrian{ 3520173362Sbenjsc int error; 3521173362Sbenjsc 3522278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3523278366Sadrian struct wpi_assoc rxon_assoc; 3524177043Sthompsa 3525278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3526278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3527278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3528278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3529278366Sadrian rxon_assoc.reserved = 0; 3530278366Sadrian 3531278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3532278366Sadrian sizeof (struct wpi_assoc), async); 3533216522Sbschmidt } else { 3534280077Sadrian if (async) 3535280077Sadrian WPI_NT_LOCK(sc); 3536280077Sadrian 3537278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3538278366Sadrian sizeof (struct wpi_rxon), async); 3539280069Sadrian 3540280069Sadrian wpi_clear_node_table(sc); 3541280077Sadrian 3542280077Sadrian if (async) 3543280077Sadrian WPI_NT_UNLOCK(sc); 3544173362Sbenjsc } 3545173362Sbenjsc if (error != 0) { 3546278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3547278366Sadrian error); 3548173362Sbenjsc return error; 3549173362Sbenjsc } 3550173362Sbenjsc 3551278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3552278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3553278366Sadrian device_printf(sc->sc_dev, 3554278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3555173362Sbenjsc return error; 3556173362Sbenjsc } 3557173362Sbenjsc 3558278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3559278366Sadrian /* Add broadcast node. */ 3560278366Sadrian error = wpi_add_broadcast_node(sc, async); 3561278366Sadrian if (error != 0) { 3562278366Sadrian device_printf(sc->sc_dev, 3563278366Sadrian "could not add broadcast node, error %d\n", error); 3564278366Sadrian return error; 3565278366Sadrian } 3566278366Sadrian } 3567177043Sthompsa 3568278366Sadrian return 0; 3569177043Sthompsa} 3570177043Sthompsa 3571278366Sadrian/** 3572278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3573278366Sadrian * card in to being able to receive frames from remote devices. 3574278366Sadrian */ 3575177043Sthompsastatic int 3576278366Sadrianwpi_config(struct wpi_softc *sc) 3577177043Sthompsa{ 3578278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3579278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3580279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3581278366Sadrian uint32_t flags; 3582177043Sthompsa int error; 3583177043Sthompsa 3584278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3585278366Sadrian 3586278366Sadrian /* Set power saving level to CAM during initialization. */ 3587278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3588278366Sadrian device_printf(sc->sc_dev, 3589278366Sadrian "%s: could not set power saving level\n", __func__); 3590278366Sadrian return error; 3591178354Ssam } 3592178354Ssam 3593278366Sadrian /* Configure bluetooth coexistence. */ 3594278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3595278366Sadrian device_printf(sc->sc_dev, 3596278366Sadrian "could not configure bluetooth coexistence\n"); 3597278366Sadrian return error; 3598278366Sadrian } 3599177043Sthompsa 3600278366Sadrian /* Configure adapter. */ 3601278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3602279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3603177043Sthompsa 3604278366Sadrian /* Set default channel. */ 3605278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3606278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3607278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3608278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3609177043Sthompsa 3610278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3611278366Sadrian switch (ic->ic_opmode) { 3612278366Sadrian case IEEE80211_M_STA: 3613278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3614278366Sadrian break; 3615278366Sadrian case IEEE80211_M_IBSS: 3616278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3617278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3618278366Sadrian break; 3619278366Sadrian /* XXX workaround for passive channels selection */ 3620278366Sadrian case IEEE80211_M_AHDEMO: 3621278366Sadrian case IEEE80211_M_HOSTAP: 3622278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3623278366Sadrian break; 3624278366Sadrian case IEEE80211_M_MONITOR: 3625278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3626278366Sadrian break; 3627278366Sadrian default: 3628280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3629280066Sadrian ic->ic_opmode); 3630278366Sadrian return EINVAL; 3631278366Sadrian } 3632278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3633278366Sadrian wpi_set_promisc(sc); 3634278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3635278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3636278366Sadrian 3637278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3638278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3639278366Sadrian __func__); 3640173362Sbenjsc return error; 3641173362Sbenjsc } 3642173362Sbenjsc 3643278366Sadrian /* Setup rate scalling. */ 3644278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3645278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3646278366Sadrian error); 3647278366Sadrian return error; 3648278366Sadrian } 3649278366Sadrian 3650278366Sadrian /* Disable beacon notifications (unused). */ 3651278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3652278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3653177043Sthompsa if (error != 0) { 3654278366Sadrian device_printf(sc->sc_dev, 3655278366Sadrian "could not disable beacon statistics, error %d\n", error); 3656177043Sthompsa return error; 3657177043Sthompsa } 3658173362Sbenjsc 3659278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3660177043Sthompsa 3661278366Sadrian return 0; 3662278366Sadrian} 3663177043Sthompsa 3664278366Sadrianstatic uint16_t 3665278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3666278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3667278366Sadrian{ 3668278366Sadrian /* No channel? Default to 2GHz settings. */ 3669278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3670278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3671278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3672278366Sadrian } 3673278366Sadrian 3674278366Sadrian /* 5GHz dwell time. */ 3675278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3676278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3677173362Sbenjsc} 3678173362Sbenjsc 3679173362Sbenjsc/* 3680278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3681278366Sadrian * 3682278366Sadrian * Returns the dwell time in milliseconds. 3683173362Sbenjsc */ 3684278366Sadrianstatic uint16_t 3685278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3686278366Sadrian{ 3687278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3688278366Sadrian struct ieee80211vap *vap = NULL; 3689278366Sadrian int bintval = 0; 3690278366Sadrian 3691278366Sadrian /* bintval is in TU (1.024mS) */ 3692278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3693278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3694278366Sadrian bintval = vap->iv_bss->ni_intval; 3695278366Sadrian } 3696278366Sadrian 3697278366Sadrian /* 3698278366Sadrian * If it's non-zero, we should calculate the minimum of 3699278366Sadrian * it and the DWELL_BASE. 3700278366Sadrian * 3701278366Sadrian * XXX Yes, the math should take into account that bintval 3702278366Sadrian * is 1.024mS, not 1mS.. 3703278366Sadrian */ 3704278366Sadrian if (bintval > 0) { 3705278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3706278366Sadrian bintval); 3707278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3708278366Sadrian } 3709278366Sadrian 3710278366Sadrian /* No association context? Default. */ 3711278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3712278366Sadrian} 3713278366Sadrian 3714278366Sadrianstatic uint16_t 3715278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3716278366Sadrian{ 3717278366Sadrian uint16_t passive; 3718278366Sadrian 3719278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3720278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3721278366Sadrian else 3722278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3723278366Sadrian 3724278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3725278366Sadrian return (wpi_limit_dwell(sc, passive)); 3726278366Sadrian} 3727278366Sadrian 3728278366Sadrian/* 3729278366Sadrian * Send a scan request to the firmware. 3730278366Sadrian */ 3731173362Sbenjscstatic int 3732278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3733173362Sbenjsc{ 3734178354Ssam struct ifnet *ifp = sc->sc_ifp; 3735178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3736177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3737279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3738173362Sbenjsc struct wpi_scan_hdr *hdr; 3739278366Sadrian struct wpi_cmd_data *tx; 3740278366Sadrian struct wpi_scan_essid *essids; 3741173362Sbenjsc struct wpi_scan_chan *chan; 3742173362Sbenjsc struct ieee80211_frame *wh; 3743173362Sbenjsc struct ieee80211_rateset *rs; 3744278366Sadrian uint16_t dwell_active, dwell_passive; 3745278366Sadrian uint8_t *buf, *frm; 3746278366Sadrian int buflen, error, i, nssid; 3747173362Sbenjsc 3748278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3749173362Sbenjsc 3750278366Sadrian /* 3751278366Sadrian * We are absolutely not allowed to send a scan command when another 3752278366Sadrian * scan command is pending. 3753278366Sadrian */ 3754278366Sadrian if (sc->sc_scan_timer) { 3755278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3756278366Sadrian __func__); 3757280060Sadrian 3758280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3759280060Sadrian 3760278366Sadrian return (EAGAIN); 3761278366Sadrian } 3762278366Sadrian 3763278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3764278366Sadrian if (buf == NULL) { 3765173362Sbenjsc device_printf(sc->sc_dev, 3766278366Sadrian "%s: could not allocate buffer for scan command\n", 3767278366Sadrian __func__); 3768280060Sadrian error = ENOMEM; 3769280060Sadrian goto fail; 3770173362Sbenjsc } 3771278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3772173362Sbenjsc 3773173362Sbenjsc /* 3774278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3775278366Sadrian * after sending the probe request. 3776173362Sbenjsc */ 3777278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3778278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3779278366Sadrian /* 3780278366Sadrian * Max needs to be greater than active and passive and quiet! 3781278366Sadrian * It's also in microseconds! 3782278366Sadrian */ 3783278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3784278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3785278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3786278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3787173362Sbenjsc 3788278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3789278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3790278366Sadrian tx->id = WPI_ID_BROADCAST; 3791278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3792173362Sbenjsc 3793278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3794278366Sadrian /* Send probe requests at 6Mbps. */ 3795278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3796278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3797173362Sbenjsc } else { 3798278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3799278366Sadrian /* Send probe requests at 1Mbps. */ 3800278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3801278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3802173362Sbenjsc } 3803173362Sbenjsc 3804278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3805177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3806178354Ssam for (i = 0; i < nssid; i++) { 3807278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3808278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3809278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3810179957Sthompsa#ifdef WPI_DEBUG 3811278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3812177043Sthompsa printf("Scanning Essid: "); 3813278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3814177043Sthompsa printf("\n"); 3815177043Sthompsa } 3816179957Sthompsa#endif 3817173362Sbenjsc } 3818173362Sbenjsc 3819173362Sbenjsc /* 3820173362Sbenjsc * Build a probe request frame. Most of the following code is a 3821173362Sbenjsc * copy & paste of what is done in net80211. 3822173362Sbenjsc */ 3823278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3824173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3825173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3826173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3827173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3828279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3829173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3830278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3831278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3832173362Sbenjsc 3833173362Sbenjsc frm = (uint8_t *)(wh + 1); 3834275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3835275966Sadrian frm = ieee80211_add_rates(frm, rs); 3836278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3837278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3838173362Sbenjsc 3839278366Sadrian /* Set length of probe request. */ 3840278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3841173362Sbenjsc 3842173362Sbenjsc /* 3843173362Sbenjsc * Construct information about the channel that we 3844173362Sbenjsc * want to scan. The firmware expects this to be directly 3845173362Sbenjsc * after the scan probe request 3846173362Sbenjsc */ 3847173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3848278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3849173362Sbenjsc chan->flags = 0; 3850278366Sadrian if (nssid) { 3851278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3852278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3853278366Sadrian } else 3854278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3855278366Sadrian 3856278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3857173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3858173362Sbenjsc 3859278366Sadrian /* 3860278366Sadrian * Calculate the active/passive dwell times. 3861278366Sadrian */ 3862173362Sbenjsc 3863278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3864278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3865278366Sadrian 3866278366Sadrian /* Make sure they're valid. */ 3867278366Sadrian if (dwell_passive <= dwell_active) 3868278366Sadrian dwell_passive = dwell_active + 1; 3869278366Sadrian 3870278366Sadrian chan->active = htole16(dwell_active); 3871278366Sadrian chan->passive = htole16(dwell_passive); 3872278366Sadrian 3873278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3874278366Sadrian 3875278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3876278366Sadrian chan->rf_gain = 0x3b; 3877278366Sadrian else 3878278366Sadrian chan->rf_gain = 0x28; 3879278366Sadrian 3880278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3881280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3882278366Sadrian 3883173362Sbenjsc hdr->nchan++; 3884173362Sbenjsc chan++; 3885173362Sbenjsc 3886278366Sadrian buflen = (uint8_t *)chan - buf; 3887278366Sadrian hdr->len = htole16(buflen); 3888173362Sbenjsc 3889278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3890278366Sadrian hdr->nchan); 3891278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3892278366Sadrian free(buf, M_DEVBUF); 3893173362Sbenjsc 3894280060Sadrian if (error != 0) 3895280060Sadrian goto fail; 3896280060Sadrian 3897278366Sadrian sc->sc_scan_timer = 5; 3898173362Sbenjsc 3899278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3900173362Sbenjsc 3901280060Sadrian return 0; 3902280060Sadrian 3903280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3904280060Sadrian 3905278366Sadrian return error; 3906278366Sadrian} 3907173362Sbenjsc 3908278366Sadrianstatic int 3909278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3910278366Sadrian{ 3911278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3912278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3913278366Sadrian int error; 3914173362Sbenjsc 3915278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3916278366Sadrian 3917278366Sadrian /* Update adapter configuration. */ 3918278366Sadrian sc->rxon.associd = 0; 3919278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3920278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3921278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3922278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3923278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3924278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3925278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3926278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3927278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3928278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3929278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3930278366Sadrian sc->rxon.cck_mask = 0; 3931278366Sadrian sc->rxon.ofdm_mask = 0x15; 3932278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3933278366Sadrian sc->rxon.cck_mask = 0x03; 3934278366Sadrian sc->rxon.ofdm_mask = 0; 3935278366Sadrian } else { 3936278366Sadrian /* Assume 802.11b/g. */ 3937278366Sadrian sc->rxon.cck_mask = 0x0f; 3938278366Sadrian sc->rxon.ofdm_mask = 0x15; 3939173362Sbenjsc } 3940173362Sbenjsc 3941278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3942278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3943278366Sadrian sc->rxon.ofdm_mask); 3944173362Sbenjsc 3945278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3946278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3947278366Sadrian __func__); 3948278366Sadrian } 3949173362Sbenjsc 3950278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3951173362Sbenjsc 3952278366Sadrian return error; 3953173362Sbenjsc} 3954173362Sbenjsc 3955173362Sbenjscstatic int 3956280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 3957280084Sadrian{ 3958280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 3959280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 3960280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 3961280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3962280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 3963280084Sadrian struct ieee80211_tim_ie *tie; 3964280084Sadrian struct mbuf *m; 3965280084Sadrian uint8_t *ptr; 3966280084Sadrian int error; 3967280084Sadrian 3968280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3969280084Sadrian 3970280084Sadrian WPI_LOCK_ASSERT(sc); 3971280084Sadrian 3972280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 3973280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3974280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3975280084Sadrian 3976280084Sadrian /* XXX seems to be unused */ 3977280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 3978280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 3979280084Sadrian ptr = mtod(bcn->m, uint8_t *); 3980280084Sadrian 3981280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 3982280084Sadrian cmd->timsz = tie->tim_len; 3983280084Sadrian } 3984280084Sadrian 3985280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 3986280084Sadrian m = bcn->m; 3987280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 3988280084Sadrian if (bcn->m == NULL) { 3989280084Sadrian device_printf(sc->sc_dev, 3990280084Sadrian "%s: could not copy beacon frame\n", __func__); 3991280084Sadrian error = ENOMEM; 3992280084Sadrian goto end; 3993280084Sadrian } 3994280084Sadrian 3995280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 3996280084Sadrian device_printf(sc->sc_dev, 3997280084Sadrian "%s: could not update beacon frame, error %d", __func__, 3998280084Sadrian error); 3999280084Sadrian } 4000280084Sadrian 4001280084Sadrian /* Restore mbuf. */ 4002280084Sadrianend: bcn->m = m; 4003280084Sadrian 4004280084Sadrian return error; 4005280084Sadrian} 4006280084Sadrian 4007280084Sadrianstatic int 4008278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4009173362Sbenjsc{ 4010280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4011278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4012280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4013278366Sadrian struct mbuf *m; 4014280084Sadrian int error; 4015173362Sbenjsc 4016278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4017278366Sadrian 4018278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4019278366Sadrian return EINVAL; 4020278366Sadrian 4021280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4022278366Sadrian if (m == NULL) { 4023278366Sadrian device_printf(sc->sc_dev, 4024278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4025278366Sadrian return ENOMEM; 4026173362Sbenjsc } 4027173362Sbenjsc 4028280084Sadrian if (bcn->m != NULL) 4029280084Sadrian m_freem(bcn->m); 4030278366Sadrian 4031278366Sadrian bcn->m = m; 4032278366Sadrian 4033280084Sadrian error = wpi_config_beacon(wvp); 4034280084Sadrian 4035280084Sadrian return error; 4036278366Sadrian} 4037278366Sadrian 4038278366Sadrianstatic void 4039278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4040278366Sadrian{ 4041280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4042280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4043280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4044280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4045278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4046280084Sadrian int mcast = 0; 4047278366Sadrian 4048280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4049280084Sadrian 4050278764Sadrian WPI_LOCK(sc); 4051280084Sadrian if (bcn->m == NULL) { 4052280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4053280084Sadrian if (bcn->m == NULL) { 4054280084Sadrian device_printf(sc->sc_dev, 4055280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4056280084Sadrian WPI_UNLOCK(sc); 4057280084Sadrian 4058280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4059280084Sadrian __func__); 4060280084Sadrian 4061280084Sadrian return; 4062280084Sadrian } 4063173362Sbenjsc } 4064278764Sadrian WPI_UNLOCK(sc); 4065280084Sadrian 4066280084Sadrian if (item == IEEE80211_BEACON_TIM) 4067280084Sadrian mcast = 1; /* TODO */ 4068280084Sadrian 4069280084Sadrian setbit(bo->bo_flags, item); 4070280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4071280084Sadrian 4072280084Sadrian WPI_LOCK(sc); 4073280084Sadrian wpi_config_beacon(wvp); 4074280084Sadrian WPI_UNLOCK(sc); 4075280084Sadrian 4076280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4077278366Sadrian} 4078173362Sbenjsc 4079280079Sadrianstatic void 4080280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4081280079Sadrian{ 4082280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4083280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4084280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4085280079Sadrian int error; 4086280079Sadrian 4087280079Sadrian WPI_NT_LOCK(sc); 4088280079Sadrian 4089280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4090280079Sadrian 4091280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4092280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4093280079Sadrian device_printf(sc->sc_dev, 4094280079Sadrian "%s: could not add IBSS node, error %d\n", 4095280079Sadrian __func__, error); 4096280079Sadrian } 4097280079Sadrian } 4098280079Sadrian WPI_NT_UNLOCK(sc); 4099280079Sadrian} 4100280079Sadrian 4101278366Sadrianstatic int 4102278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4103278366Sadrian{ 4104278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4105278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4106278366Sadrian int error; 4107278366Sadrian 4108278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4109278366Sadrian 4110278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4111278366Sadrian /* Link LED blinks while monitoring. */ 4112278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4113278366Sadrian return 0; 4114173362Sbenjsc } 4115278366Sadrian 4116278366Sadrian /* XXX kernel panic workaround */ 4117278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4118278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4119278366Sadrian __func__); 4120195562Srpaulo return EINVAL; 4121173362Sbenjsc } 4122278366Sadrian 4123278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4124278366Sadrian device_printf(sc->sc_dev, 4125278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4126173362Sbenjsc return error; 4127173362Sbenjsc } 4128173362Sbenjsc 4129278366Sadrian /* Update adapter configuration. */ 4130278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4131278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4132278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4133278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4134278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4135278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4136278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4137278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4138278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4139278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4140278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4141278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4142278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4143278366Sadrian sc->rxon.cck_mask = 0; 4144278366Sadrian sc->rxon.ofdm_mask = 0x15; 4145278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4146278366Sadrian sc->rxon.cck_mask = 0x03; 4147278366Sadrian sc->rxon.ofdm_mask = 0; 4148278366Sadrian } else { 4149278366Sadrian /* Assume 802.11b/g. */ 4150278366Sadrian sc->rxon.cck_mask = 0x0f; 4151278366Sadrian sc->rxon.ofdm_mask = 0x15; 4152173362Sbenjsc } 4153278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4154173362Sbenjsc 4155278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 4156278366Sadrian 4157278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4158278366Sadrian sc->rxon.chan, sc->rxon.flags); 4159278366Sadrian 4160278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4161278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4162278366Sadrian __func__); 4163173362Sbenjsc return error; 4164173362Sbenjsc } 4165173362Sbenjsc 4166278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4167278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4168278366Sadrian device_printf(sc->sc_dev, 4169278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4170278366Sadrian error); 4171278366Sadrian return error; 4172278366Sadrian } 4173173362Sbenjsc } 4174173362Sbenjsc 4175278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4176278366Sadrian /* Add BSS node. */ 4177280077Sadrian WPI_NT_LOCK(sc); 4178280070Sadrian error = wpi_add_sta_node(sc, ni); 4179280077Sadrian WPI_NT_UNLOCK(sc); 4180280070Sadrian if (error != 0) { 4181278366Sadrian device_printf(sc->sc_dev, 4182278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4183278366Sadrian error); 4184278366Sadrian return error; 4185278366Sadrian } 4186278366Sadrian } 4187173362Sbenjsc 4188278366Sadrian /* Link LED always on while associated. */ 4189278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4190173362Sbenjsc 4191278366Sadrian /* Start periodic calibration timer. */ 4192278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4193173362Sbenjsc 4194278366Sadrian /* Enable power-saving mode if requested by user. */ 4195278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4196278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4197278764Sadrian else 4198278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4199173362Sbenjsc 4200278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4201173362Sbenjsc 4202278366Sadrian return 0; 4203173362Sbenjsc} 4204173362Sbenjsc 4205173362Sbenjscstatic int 4206278366Sadrianwpi_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 4207278366Sadrian ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 4208173362Sbenjsc{ 4209280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4210173362Sbenjsc 4211278366Sadrian if (!(&vap->iv_nw_keys[0] <= k && 4212278366Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 4213278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) { 4214278366Sadrian /* should not happen */ 4215278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: bogus group key\n", 4216278366Sadrian __func__); 4217278366Sadrian return 0; 4218278366Sadrian } 4219278366Sadrian *keyix = 0; /* NB: use key index 0 for ucast key */ 4220278366Sadrian } else { 4221278366Sadrian *keyix = *rxkeyix = k - vap->iv_nw_keys; 4222173362Sbenjsc 4223278366Sadrian if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) 4224278366Sadrian k->wk_flags |= IEEE80211_KEY_SWCRYPT; 4225173362Sbenjsc } 4226278366Sadrian return 1; 4227173362Sbenjsc} 4228173362Sbenjsc 4229173362Sbenjscstatic int 4230278366Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4231278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4232173362Sbenjsc{ 4233278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4234278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4235278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4236278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4237280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4238278366Sadrian struct wpi_node_info node; 4239278366Sadrian uint16_t kflags; 4240278366Sadrian int error; 4241173362Sbenjsc 4242278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4243173362Sbenjsc 4244278366Sadrian switch (cip->ic_cipher) { 4245278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4246278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4247278366Sadrian return 1; 4248173362Sbenjsc 4249278366Sadrian kflags = WPI_KFLAG_CCMP; 4250278366Sadrian break; 4251278366Sadrian default: 4252278366Sadrian /* null_key_set() */ 4253278366Sadrian return 1; 4254278366Sadrian } 4255173362Sbenjsc 4256278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 4257278366Sadrian return 0; 4258173362Sbenjsc 4259278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4260278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4261278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4262173362Sbenjsc 4263278366Sadrian memset(&node, 0, sizeof node); 4264278366Sadrian node.id = wn->id; 4265278366Sadrian node.control = WPI_NODE_UPDATE; 4266278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4267278366Sadrian node.kflags = htole16(kflags); 4268278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4269173362Sbenjsc 4270278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "set key id=%d for node %d\n", k->wk_keyix, 4271278366Sadrian node.id); 4272173362Sbenjsc 4273278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4274278366Sadrian if (error != 0) { 4275278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4276278366Sadrian error); 4277278366Sadrian return 0; 4278173362Sbenjsc } 4279173362Sbenjsc 4280278366Sadrian return 1; 4281173362Sbenjsc} 4282173362Sbenjsc 4283278366Sadrianstatic int 4284278366Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4285173362Sbenjsc{ 4286278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4287278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4288278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4289278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4290280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4291278366Sadrian struct wpi_node_info node; 4292173362Sbenjsc 4293278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4294173362Sbenjsc 4295278366Sadrian switch (cip->ic_cipher) { 4296278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4297278366Sadrian break; 4298278366Sadrian default: 4299278366Sadrian /* null_key_delete() */ 4300278366Sadrian return 1; 4301278366Sadrian } 4302173362Sbenjsc 4303278366Sadrian if (vap->iv_state != IEEE80211_S_RUN || 4304278366Sadrian (k->wk_flags & IEEE80211_KEY_GROUP)) 4305278366Sadrian return 1; /* Nothing to do. */ 4306173362Sbenjsc 4307278366Sadrian memset(&node, 0, sizeof node); 4308278366Sadrian node.id = wn->id; 4309278366Sadrian node.control = WPI_NODE_UPDATE; 4310278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4311173362Sbenjsc 4312278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "delete keys for node %d\n", node.id); 4313278366Sadrian (void)wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4314173362Sbenjsc 4315278366Sadrian return 1; 4316173362Sbenjsc} 4317173362Sbenjsc 4318278366Sadrian/* 4319278366Sadrian * This function is called after the runtime firmware notifies us of its 4320278366Sadrian * readiness (called in a process context). 4321278366Sadrian */ 4322278366Sadrianstatic int 4323278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4324177043Sthompsa{ 4325278366Sadrian int ntries, error; 4326177043Sthompsa 4327278366Sadrian /* Check (again) that the radio is not disabled. */ 4328278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4329278366Sadrian return error; 4330177043Sthompsa 4331278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4332278366Sadrian 4333278366Sadrian /* NB: Runtime firmware must be up and running. */ 4334278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4335278366Sadrian device_printf(sc->sc_dev, 4336278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4337278366Sadrian wpi_nic_unlock(sc); 4338278366Sadrian return EPERM; /* :-) */ 4339278366Sadrian } 4340278366Sadrian wpi_nic_unlock(sc); 4341278366Sadrian 4342278366Sadrian /* Wait for thermal sensor to calibrate. */ 4343177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4344278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4345177043Sthompsa break; 4346177043Sthompsa DELAY(10); 4347177043Sthompsa } 4348177043Sthompsa 4349177043Sthompsa if (ntries == 1000) { 4350177043Sthompsa device_printf(sc->sc_dev, 4351278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4352280059Sadrian return ETIMEDOUT; 4353280059Sadrian } 4354177043Sthompsa 4355280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4356280059Sadrian return 0; 4357278366Sadrian} 4358177043Sthompsa 4359278366Sadrian/* 4360278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4361278366Sadrian * the NIC internal memory (no DMA transfer). 4362278366Sadrian */ 4363278366Sadrianstatic int 4364278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4365278366Sadrian{ 4366278366Sadrian int error, ntries; 4367177043Sthompsa 4368278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4369278366Sadrian 4370278366Sadrian size /= sizeof (uint32_t); 4371278366Sadrian 4372278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4373278366Sadrian return error; 4374278366Sadrian 4375278366Sadrian /* Copy microcode image into NIC memory. */ 4376278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4377278366Sadrian (const uint32_t *)ucode, size); 4378278366Sadrian 4379278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4380278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4381278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4382278366Sadrian 4383278366Sadrian /* Start boot load now. */ 4384278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4385278366Sadrian 4386278366Sadrian /* Wait for transfer to complete. */ 4387278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4388278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4389278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4390278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4391278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4392278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4393278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4394278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4395278366Sadrian "Status Match! - ntries = %d\n", ntries); 4396278366Sadrian break; 4397178354Ssam } 4398278366Sadrian DELAY(10); 4399177043Sthompsa } 4400278366Sadrian if (ntries == 1000) { 4401278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4402278366Sadrian __func__); 4403278366Sadrian wpi_nic_unlock(sc); 4404278366Sadrian return ETIMEDOUT; 4405278366Sadrian } 4406177043Sthompsa 4407278366Sadrian /* Enable boot after power up. */ 4408278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4409278366Sadrian 4410278366Sadrian wpi_nic_unlock(sc); 4411278366Sadrian return 0; 4412177043Sthompsa} 4413177043Sthompsa 4414278366Sadrianstatic int 4415278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4416177043Sthompsa{ 4417278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4418278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4419278366Sadrian int error; 4420173362Sbenjsc 4421278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4422173362Sbenjsc 4423278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4424278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4425278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4426278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4427278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4428173362Sbenjsc 4429278366Sadrian /* Tell adapter where to find initialization sections. */ 4430278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4431278366Sadrian return error; 4432278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4433278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4434278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4435278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4436278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4437278366Sadrian wpi_nic_unlock(sc); 4438173362Sbenjsc 4439278366Sadrian /* Load firmware boot code. */ 4440278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4441278366Sadrian if (error != 0) { 4442278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4443278366Sadrian __func__); 4444278366Sadrian return error; 4445278366Sadrian } 4446173362Sbenjsc 4447278366Sadrian /* Now press "execute". */ 4448278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4449173362Sbenjsc 4450278366Sadrian /* Wait at most one second for first alive notification. */ 4451280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4452278366Sadrian device_printf(sc->sc_dev, 4453278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4454278366Sadrian __func__, error); 4455278366Sadrian return error; 4456173362Sbenjsc } 4457173362Sbenjsc 4458278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4459278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4460278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4461278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4462278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4463173362Sbenjsc 4464278366Sadrian /* Tell adapter where to find runtime sections. */ 4465278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4466278366Sadrian return error; 4467278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4468278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4469278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4470278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4471278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4472278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4473278366Sadrian wpi_nic_unlock(sc); 4474173362Sbenjsc 4475278366Sadrian return 0; 4476278366Sadrian} 4477173362Sbenjsc 4478278366Sadrianstatic int 4479278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4480278366Sadrian{ 4481278366Sadrian const struct firmware *fp; 4482278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4483278366Sadrian const struct wpi_firmware_hdr *hdr; 4484278366Sadrian int error; 4485173362Sbenjsc 4486278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4487278366Sadrian 4488278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4489278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4490278366Sadrian 4491278366Sadrian WPI_UNLOCK(sc); 4492278366Sadrian fp = firmware_get(WPI_FW_NAME); 4493278366Sadrian WPI_LOCK(sc); 4494278366Sadrian 4495278366Sadrian if (fp == NULL) { 4496278366Sadrian device_printf(sc->sc_dev, 4497278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4498278366Sadrian return EINVAL; 4499173362Sbenjsc } 4500173362Sbenjsc 4501278366Sadrian sc->fw_fp = fp; 4502173362Sbenjsc 4503278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4504278366Sadrian device_printf(sc->sc_dev, 4505278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4506278366Sadrian error = EINVAL; 4507278366Sadrian goto fail; 4508173362Sbenjsc } 4509173362Sbenjsc 4510278366Sadrian fw->size = fp->datasize; 4511278366Sadrian fw->data = (const uint8_t *)fp->data; 4512278366Sadrian 4513278366Sadrian /* Extract firmware header information. */ 4514278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4515278366Sadrian 4516278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4517278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4518278366Sadrian 4519278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4520278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4521278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4522278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4523278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4524278366Sadrian fw->boot.datasz = 0; 4525278366Sadrian 4526278366Sadrian /* Sanity-check firmware header. */ 4527278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4528278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4529278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4530278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4531278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4532278366Sadrian (fw->boot.textsz & 3) != 0) { 4533278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4534278366Sadrian error = EINVAL; 4535278366Sadrian goto fail; 4536173362Sbenjsc } 4537173362Sbenjsc 4538278366Sadrian /* Check that all firmware sections fit. */ 4539278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4540278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4541173362Sbenjsc device_printf(sc->sc_dev, 4542278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4543278366Sadrian error = EINVAL; 4544278366Sadrian goto fail; 4545173362Sbenjsc } 4546173362Sbenjsc 4547278366Sadrian /* Get pointers to firmware sections. */ 4548278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4549278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4550278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4551278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4552278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4553177043Sthompsa 4554278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4555278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4556280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4557280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4558278366Sadrian fw->main.textsz, fw->main.datasz, 4559278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4560278366Sadrian 4561278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4562278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4563278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4564278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4565278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4566278366Sadrian 4567278366Sadrian return 0; 4568278366Sadrian 4569278366Sadrianfail: wpi_unload_firmware(sc); 4570278366Sadrian return error; 4571173362Sbenjsc} 4572173362Sbenjsc 4573278366Sadrian/** 4574278366Sadrian * Free the referenced firmware image 4575278366Sadrian */ 4576173362Sbenjscstatic void 4577278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4578173362Sbenjsc{ 4579278366Sadrian if (sc->fw_fp != NULL) { 4580278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4581278366Sadrian sc->fw_fp = NULL; 4582278366Sadrian } 4583278366Sadrian} 4584173362Sbenjsc 4585278366Sadrianstatic int 4586278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4587278366Sadrian{ 4588278366Sadrian int ntries; 4589173362Sbenjsc 4590278366Sadrian /* Set "initialization complete" bit. */ 4591278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4592278366Sadrian 4593278366Sadrian /* Wait for clock stabilization. */ 4594278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4595278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4596278366Sadrian return 0; 4597278366Sadrian DELAY(100); 4598278366Sadrian } 4599278366Sadrian device_printf(sc->sc_dev, 4600278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4601278366Sadrian 4602278366Sadrian return ETIMEDOUT; 4603173362Sbenjsc} 4604178354Ssam 4605278366Sadrianstatic int 4606278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4607173362Sbenjsc{ 4608278366Sadrian uint32_t reg; 4609278366Sadrian int error; 4610173362Sbenjsc 4611278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4612173362Sbenjsc 4613278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4614278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4615278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4616278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4617173362Sbenjsc 4618278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4619278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4620173362Sbenjsc 4621278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4622278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4623278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4624278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4625278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4626278366Sadrian else 4627278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4628173362Sbenjsc 4629278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4630173362Sbenjsc 4631278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4632278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4633278366Sadrian return error; 4634173362Sbenjsc 4635278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4636278366Sadrian return error; 4637278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4638278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4639278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4640278366Sadrian DELAY(20); 4641278366Sadrian /* Disable L1-Active. */ 4642278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4643278764Sadrian /* ??? */ 4644278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4645278366Sadrian wpi_nic_unlock(sc); 4646173362Sbenjsc 4647278366Sadrian return 0; 4648278366Sadrian} 4649173362Sbenjsc 4650278366Sadrianstatic void 4651278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4652278366Sadrian{ 4653278366Sadrian int ntries; 4654278366Sadrian 4655278366Sadrian /* Stop busmaster DMA activity. */ 4656278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4657278366Sadrian 4658278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4659278366Sadrian WPI_GP_CNTRL_MAC_PS) 4660278366Sadrian return; /* Already asleep. */ 4661278366Sadrian 4662278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4663278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4664278366Sadrian return; 4665278366Sadrian DELAY(10); 4666278366Sadrian } 4667280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4668280066Sadrian __func__); 4669173362Sbenjsc} 4670173362Sbenjsc 4671173362Sbenjscstatic void 4672278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4673173362Sbenjsc{ 4674278366Sadrian wpi_apm_stop_master(sc); 4675278366Sadrian 4676278366Sadrian /* Reset the entire device. */ 4677278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4678278366Sadrian DELAY(10); 4679278366Sadrian /* Clear "initialization complete" bit. */ 4680278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4681173362Sbenjsc} 4682173362Sbenjsc 4683173362Sbenjscstatic void 4684278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4685173362Sbenjsc{ 4686278366Sadrian uint32_t rev; 4687173362Sbenjsc 4688278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4689177043Sthompsa 4690278366Sadrian /* voodoo from the Linux "driver".. */ 4691278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4692278366Sadrian if ((rev & 0xc0) == 0x40) 4693278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4694278366Sadrian else if (!(rev & 0x80)) 4695278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4696173362Sbenjsc 4697278366Sadrian if (sc->cap == 0x80) 4698278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4699173362Sbenjsc 4700280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4701278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4702278366Sadrian else 4703278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4704278366Sadrian 4705278366Sadrian if (sc->type > 1) 4706278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4707173362Sbenjsc} 4708173362Sbenjsc 4709278366Sadrianstatic int 4710278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4711173362Sbenjsc{ 4712278366Sadrian int chnl, ntries, error; 4713178354Ssam 4714278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4715278366Sadrian 4716278366Sadrian /* Clear pending interrupts. */ 4717278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4718278366Sadrian 4719278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4720278366Sadrian device_printf(sc->sc_dev, 4721278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4722278366Sadrian error); 4723278366Sadrian return error; 4724173362Sbenjsc } 4725173362Sbenjsc 4726278366Sadrian /* Select VMAIN power source. */ 4727278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4728278366Sadrian return error; 4729278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4730278366Sadrian wpi_nic_unlock(sc); 4731278366Sadrian /* Spin until VMAIN gets selected. */ 4732278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4733278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4734278366Sadrian break; 4735278366Sadrian DELAY(10); 4736278366Sadrian } 4737278366Sadrian if (ntries == 5000) { 4738278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4739278366Sadrian return ETIMEDOUT; 4740278366Sadrian } 4741173362Sbenjsc 4742278366Sadrian /* Perform adapter initialization. */ 4743278366Sadrian wpi_nic_config(sc); 4744173362Sbenjsc 4745278366Sadrian /* Initialize RX ring. */ 4746278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4747278366Sadrian return error; 4748278366Sadrian /* Set physical address of RX ring. */ 4749278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4750278366Sadrian /* Set physical address of RX read pointer. */ 4751278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4752278366Sadrian offsetof(struct wpi_shared, next)); 4753278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4754278366Sadrian /* Enable RX. */ 4755278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4756278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4757278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4758278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4759278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4760278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4761278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4762278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4763278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4764278366Sadrian wpi_nic_unlock(sc); 4765278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4766173362Sbenjsc 4767278366Sadrian /* Initialize TX rings. */ 4768278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4769278366Sadrian return error; 4770278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4771278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4772278366Sadrian /* Enable all 6 TX rings. */ 4773278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4774278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4775278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4776278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4777278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4778278366Sadrian /* Set physical address of TX rings. */ 4779278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4780278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4781278366Sadrian 4782278366Sadrian /* Enable all DMA channels. */ 4783278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4784278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4785278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4786278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4787173362Sbenjsc } 4788278366Sadrian wpi_nic_unlock(sc); 4789278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4790278366Sadrian 4791278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4792278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4793278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4794278366Sadrian 4795278366Sadrian /* Clear pending interrupts. */ 4796278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4797278366Sadrian /* Enable interrupts. */ 4798278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4799278366Sadrian 4800278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4801278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4802278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4803278366Sadrian 4804278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4805278366Sadrian device_printf(sc->sc_dev, 4806278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4807278366Sadrian error); 4808278366Sadrian return error; 4809278366Sadrian } 4810278366Sadrian /* Wait at most one second for firmware alive notification. */ 4811280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4812278366Sadrian device_printf(sc->sc_dev, 4813278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4814278366Sadrian __func__, error); 4815278366Sadrian return error; 4816278366Sadrian } 4817278366Sadrian 4818278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4819278366Sadrian 4820278366Sadrian /* Do post-firmware initialization. */ 4821278366Sadrian return wpi_post_alive(sc); 4822173362Sbenjsc} 4823173362Sbenjsc 4824173362Sbenjscstatic void 4825278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 4826173362Sbenjsc{ 4827278366Sadrian int chnl, qid, ntries; 4828173362Sbenjsc 4829278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4830173362Sbenjsc 4831278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 4832278366Sadrian wpi_nic_lock(sc); 4833173362Sbenjsc 4834278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 4835173362Sbenjsc 4836278366Sadrian /* Disable interrupts. */ 4837278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 4838278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4839278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 4840173362Sbenjsc 4841278366Sadrian /* Make sure we no longer hold the NIC lock. */ 4842278366Sadrian wpi_nic_unlock(sc); 4843173362Sbenjsc 4844278366Sadrian if (wpi_nic_lock(sc) == 0) { 4845278366Sadrian /* Stop TX scheduler. */ 4846278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 4847278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 4848179957Sthompsa 4849278366Sadrian /* Stop all DMA channels. */ 4850278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4851278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 4852278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 4853278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 4854278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 4855278366Sadrian break; 4856278366Sadrian DELAY(10); 4857278366Sadrian } 4858173362Sbenjsc } 4859278366Sadrian wpi_nic_unlock(sc); 4860278366Sadrian } 4861173362Sbenjsc 4862278366Sadrian /* Stop RX ring. */ 4863278366Sadrian wpi_reset_rx_ring(sc); 4864173362Sbenjsc 4865278366Sadrian /* Reset all TX rings. */ 4866278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 4867278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 4868173362Sbenjsc 4869278366Sadrian if (wpi_nic_lock(sc) == 0) { 4870278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 4871278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 4872278366Sadrian wpi_nic_unlock(sc); 4873173362Sbenjsc } 4874278366Sadrian DELAY(5); 4875278366Sadrian /* Power OFF adapter. */ 4876278366Sadrian wpi_apm_stop(sc); 4877173362Sbenjsc} 4878173362Sbenjsc 4879173362Sbenjscstatic void 4880278366Sadrianwpi_radio_on(void *arg0, int pending) 4881173362Sbenjsc{ 4882278366Sadrian struct wpi_softc *sc = arg0; 4883278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4884278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4885278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4886173362Sbenjsc 4887278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 4888173362Sbenjsc 4889278366Sadrian if (vap != NULL) { 4890278366Sadrian wpi_init(sc); 4891278366Sadrian ieee80211_init(vap); 4892278366Sadrian } 4893173362Sbenjsc 4894278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 4895278366Sadrian WPI_LOCK(sc); 4896278366Sadrian callout_stop(&sc->watchdog_rfkill); 4897278366Sadrian WPI_UNLOCK(sc); 4898173362Sbenjsc } 4899173362Sbenjsc} 4900173362Sbenjsc 4901278366Sadrianstatic void 4902278366Sadrianwpi_radio_off(void *arg0, int pending) 4903173362Sbenjsc{ 4904278366Sadrian struct wpi_softc *sc = arg0; 4905178354Ssam struct ifnet *ifp = sc->sc_ifp; 4906178354Ssam struct ieee80211com *ic = ifp->if_l2com; 4907278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4908173362Sbenjsc 4909278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 4910173362Sbenjsc 4911278366Sadrian wpi_stop(sc); 4912278366Sadrian if (vap != NULL) 4913278366Sadrian ieee80211_stop(vap); 4914173362Sbenjsc 4915280053Sadrian WPI_LOCK(sc); 4916278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 4917280053Sadrian WPI_UNLOCK(sc); 4918278366Sadrian} 4919173362Sbenjsc 4920278366Sadrianstatic void 4921278366Sadrianwpi_init_locked(struct wpi_softc *sc) 4922278366Sadrian{ 4923278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4924278366Sadrian int error; 4925173362Sbenjsc 4926278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4927173362Sbenjsc 4928278366Sadrian WPI_LOCK_ASSERT(sc); 4929278366Sadrian 4930278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 4931278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 4932278366Sadrian device_printf(sc->sc_dev, 4933278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4934278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 4935278366Sadrian sc); 4936278366Sadrian return; 4937173362Sbenjsc } 4938173362Sbenjsc 4939278366Sadrian /* Read firmware images from the filesystem. */ 4940278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 4941278366Sadrian device_printf(sc->sc_dev, 4942278366Sadrian "%s: could not read firmware, error %d\n", __func__, 4943278366Sadrian error); 4944278366Sadrian goto fail; 4945278366Sadrian } 4946173362Sbenjsc 4947278366Sadrian /* Initialize hardware and upload firmware. */ 4948278366Sadrian error = wpi_hw_init(sc); 4949278366Sadrian wpi_unload_firmware(sc); 4950278366Sadrian if (error != 0) { 4951278366Sadrian device_printf(sc->sc_dev, 4952278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 4953278366Sadrian error); 4954278366Sadrian goto fail; 4955278366Sadrian } 4956173362Sbenjsc 4957278366Sadrian /* Configure adapter now that it is ready. */ 4958280071Sadrian sc->txq_active = 1; 4959278366Sadrian if ((error = wpi_config(sc)) != 0) { 4960278366Sadrian device_printf(sc->sc_dev, 4961278366Sadrian "%s: could not configure device, error %d\n", __func__, 4962278366Sadrian error); 4963278366Sadrian goto fail; 4964278366Sadrian } 4965173362Sbenjsc 4966278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4967278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 4968173362Sbenjsc 4969278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 4970173362Sbenjsc 4971278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4972173362Sbenjsc 4973278366Sadrian return; 4974173362Sbenjsc 4975278366Sadrianfail: wpi_stop_locked(sc); 4976278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4977278366Sadrian} 4978173362Sbenjsc 4979278366Sadrianstatic void 4980278366Sadrianwpi_init(void *arg) 4981278366Sadrian{ 4982278366Sadrian struct wpi_softc *sc = arg; 4983278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4984278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4985173362Sbenjsc 4986278366Sadrian WPI_LOCK(sc); 4987278366Sadrian wpi_init_locked(sc); 4988278366Sadrian WPI_UNLOCK(sc); 4989173362Sbenjsc 4990278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4991278366Sadrian ieee80211_start_all(ic); 4992278366Sadrian} 4993173362Sbenjsc 4994278366Sadrianstatic void 4995278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 4996278366Sadrian{ 4997278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4998173362Sbenjsc 4999278366Sadrian WPI_LOCK_ASSERT(sc); 5000278366Sadrian 5001280071Sadrian WPI_TXQ_LOCK(sc); 5002280071Sadrian sc->txq_active = 0; 5003280071Sadrian WPI_TXQ_UNLOCK(sc); 5004280071Sadrian 5005278366Sadrian sc->sc_scan_timer = 0; 5006278366Sadrian sc->sc_tx_timer = 0; 5007278366Sadrian callout_stop(&sc->watchdog_to); 5008278366Sadrian callout_stop(&sc->calib_to); 5009278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5010278366Sadrian 5011278366Sadrian /* Power OFF hardware. */ 5012278366Sadrian wpi_hw_stop(sc); 5013173362Sbenjsc} 5014173362Sbenjsc 5015278366Sadrianstatic void 5016278366Sadrianwpi_stop(struct wpi_softc *sc) 5017278366Sadrian{ 5018278366Sadrian WPI_LOCK(sc); 5019278366Sadrian wpi_stop_locked(sc); 5020278366Sadrian WPI_UNLOCK(sc); 5021278366Sadrian} 5022278366Sadrian 5023278366Sadrian/* 5024278366Sadrian * Callback from net80211 to start a scan. 5025173362Sbenjsc */ 5026173362Sbenjscstatic void 5027173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5028173362Sbenjsc{ 5029280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5030173362Sbenjsc 5031191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5032173362Sbenjsc} 5033173362Sbenjsc 5034278366Sadrian/* 5035278366Sadrian * Callback from net80211 to terminate a scan. 5036173362Sbenjsc */ 5037173362Sbenjscstatic void 5038173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5039173362Sbenjsc{ 5040278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5041278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5042278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5043278366Sadrian 5044280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5045278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5046173362Sbenjsc} 5047173362Sbenjsc 5048173362Sbenjsc/** 5049173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5050173362Sbenjsc * that the channel should be changed 5051173362Sbenjsc */ 5052173362Sbenjscstatic void 5053173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5054173362Sbenjsc{ 5055278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5056173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5057173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5058191746Sthompsa int error; 5059173362Sbenjsc 5060278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5061278366Sadrian 5062278366Sadrian WPI_LOCK(sc); 5063278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5064278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5065278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5066278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5067278366Sadrian 5068177043Sthompsa /* 5069177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5070177043Sthompsa * are already taken care of by their respective firmware commands. 5071177043Sthompsa */ 5072191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5073278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5074278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5075278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5076278366Sadrian WPI_RXON_24GHZ); 5077278366Sadrian } else { 5078278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5079278366Sadrian WPI_RXON_24GHZ); 5080278366Sadrian } 5081278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5082191746Sthompsa device_printf(sc->sc_dev, 5083278366Sadrian "%s: error %d settting channel\n", __func__, 5084278366Sadrian error); 5085191746Sthompsa } 5086278366Sadrian WPI_UNLOCK(sc); 5087173362Sbenjsc} 5088173362Sbenjsc 5089173362Sbenjsc/** 5090173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5091173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5092173362Sbenjsc * callback. 5093173362Sbenjsc */ 5094173362Sbenjscstatic void 5095178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5096173362Sbenjsc{ 5097178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5098278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5099280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5100278366Sadrian int error; 5101173362Sbenjsc 5102278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5103278366Sadrian WPI_LOCK(sc); 5104278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5105278366Sadrian WPI_UNLOCK(sc); 5106278366Sadrian if (error != 0) 5107278366Sadrian ieee80211_cancel_scan(vap); 5108278366Sadrian } else { 5109278366Sadrian /* Send probe request when associated. */ 5110278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5111278366Sadrian } 5112173362Sbenjsc} 5113173362Sbenjsc 5114173362Sbenjsc/** 5115173362Sbenjsc * Called by the net80211 framework to indicate 5116173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5117173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5118173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5119173362Sbenjsc */ 5120173362Sbenjscstatic void 5121178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5122173362Sbenjsc{ 5123173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5124173362Sbenjsc} 5125173362Sbenjsc 5126173362Sbenjscstatic void 5127278366Sadrianwpi_hw_reset(void *arg, int pending) 5128173362Sbenjsc{ 5129191746Sthompsa struct wpi_softc *sc = arg; 5130177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5131191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5132278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5133173362Sbenjsc 5134278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5135173362Sbenjsc 5136278366Sadrian wpi_stop(sc); 5137278366Sadrian if (vap != NULL) 5138278366Sadrian ieee80211_stop(vap); 5139278366Sadrian wpi_init(sc); 5140278366Sadrian if (vap != NULL) 5141278366Sadrian ieee80211_init(vap); 5142173362Sbenjsc} 5143